49418465881 has 8 divisors (see below), whose sum is σ = 51511626560. Its totient is φ = 47365175088.

The previous prime is 49418465851. The next prime is 49418465909. The reversal of 49418465881 is 18856481494.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 49418465881 - 2¹⁹ = 49417941593 is a prime.

It is a super-2 number, since 2×49418465881² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49418465851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9964941 + ... + 9969898.

It is an arithmetic number, because the mean of its divisors is an integer number (6438953320).

Almost surely, 2^49418465881 is an apocalyptic number.

It is an amenable number.

49418465881 is a deficient number, since it is larger than the sum of its proper divisors (2093160679).

49418465881 is a wasteful number, since it uses less digits than its factorization.

49418465881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19934943.

The product of its digits is 8847360, while the sum is 58.

It can be divided in two parts, 494184 and 65881, that added together give a palindrome (560065).

The spelling of 49418465881 in words is "forty-nine billion, four hundred eighteen million, four hundred sixty-five thousand, eight hundred eighty-one".