49692052449081 has 45 divisors (see below), whose sum is σ = 86351511400671. Its totient is φ = 28395204769008.

The previous prime is 49692052449001. The next prime is 49692052449157. The reversal of 49692052449081 is 18094425029694.

The square root of 49692052449081 is 7049259.

It is a perfect power (a square), and thus also a powerful number.

49692052449081 is a `hidden beast` number, since 4 + 9 + 6 + 9 + 20 + 524 + 4 + 9 + 0 + 81 = 666.

49692052449081 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 28035277677225 + 21656774771856 = 5294835^2 + 4653684^2 .

It is not a de Polignac number, because 49692052449081 - 2¹³ = 49692052440889 is a prime.

It is a super-2 number, since 2×49692052449081² (a number of 28 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (49692052449001) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 444047371 + ... + 444159263.

Almost surely, 2^{49692052449081} is an apocalyptic number.

49692052449081 is the 7049259-th square number.

49692052449081 is the 3524630-th centered octagonal number.

It is an amenable number.

49692052449081 is a deficient number, since it is larger than the sum of its proper divisors (36659458951590).

49692052449081 is an frugal number, since it uses more digits than its factorization.

49692052449081 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 223812 (or 111903 counting only the distinct ones).

The product of its (nonzero) digits is 44789760, while the sum is 63.

The spelling of 49692052449081 in words is "forty-nine trillion, six hundred ninety-two billion, fifty-two million, four hundred forty-nine thousand, eighty-one".