49540190797 has 16 divisors (see below), whose sum is σ = 54425088000. Its totient is φ = 44883813744.

The previous prime is 49540190771. The next prime is 49540190851. The reversal of 49540190797 is 79709104594.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-49540190797 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 (49540190597) 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 15 ways as a sum of consecutive naturals, for example, 4433904 + ... + 4445062.

It is an arithmetic number, because the mean of its divisors is an integer number (3401568000).

Almost surely, 2^49540190797 is an apocalyptic number.

It is an amenable number.

49540190797 is a deficient number, since it is larger than the sum of its proper divisors (4884897203).

49540190797 is a wasteful number, since it uses less digits than its factorization.

49540190797 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21360.

The product of its (nonzero) digits is 2857680, while the sum is 55.

The spelling of 49540190797 in words is "forty-nine billion, five hundred forty million, one hundred ninety thousand, seven hundred ninety-seven".