49895792639 has 32 divisors (see below), whose sum is σ = 63024807936. Its totient is φ = 38372382720.

The previous prime is 49895792599. The next prime is 49895792651. The reversal of 49895792639 is 93629759894.

It is not a de Polignac number, because 49895792639 - 2⁸ = 49895792383 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49895792839) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1874129 + ... + 1900565.

It is an arithmetic number, because the mean of its divisors is an integer number (1969525248).

Almost surely, 2^49895792639 is an apocalyptic number.

49895792639 is a deficient number, since it is larger than the sum of its proper divisors (13129015297).

49895792639 is a wasteful number, since it uses less digits than its factorization.

49895792639 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26775.

The product of its digits is 264539520, while the sum is 71.

The spelling of 49895792639 in words is "forty-nine billion, eight hundred ninety-five million, seven hundred ninety-two thousand, six hundred thirty-nine".