49492071819 has 32 divisors (see below), whose sum is σ = 73720281600. Its totient is φ = 32815692000.

The previous prime is 49492071817. The next prime is 49492071833. The reversal of 49492071819 is 91817029494.

49492071819 is a `hidden beast` number, since 4 + 9 + 492 + 0 + 71 + 81 + 9 = 666.

It is not a de Polignac number, because 49492071819 - 2¹ = 49492071817 is a prime.

It is a super-3 number, since 3×49492071819³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is not an unprimeable number, because it can be changed into a prime (49492071817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5030397 + ... + 5040225.

It is an arithmetic number, because the mean of its divisors is an integer number (2303758800).

Almost surely, 2^49492071819 is an apocalyptic number.

49492071819 is a deficient number, since it is larger than the sum of its proper divisors (24228209781).

49492071819 is a wasteful number, since it uses less digits than its factorization.

49492071819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10832 (or 10826 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 54.

The spelling of 49492071819 in words is "forty-nine billion, four hundred ninety-two million, seventy-one thousand, eight hundred nineteen".