49112506957 has 2 divisors, whose sum is σ = 49112506958. Its totient is φ = 49112506956.

The previous prime is 49112506939. The next prime is 49112506981. The reversal of 49112506957 is 75960521194.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 48528124681 + 584382276 = 220291^2 + 24174^2 .

It is a cyclic number.

It is not a de Polignac number, because 49112506957 - 2¹⁵ = 49112474189 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49112506957.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (49112506907) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24556253478 + 24556253479.

It is an arithmetic number, because the mean of its divisors is an integer number (24556253479).

Almost surely, 2^49112506957 is an apocalyptic number.

It is an amenable number.

49112506957 is a deficient number, since it is larger than the sum of its proper divisors (1).

49112506957 is an equidigital number, since it uses as much as digits as its factorization.

49112506957 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 680400, while the sum is 49.

The spelling of 49112506957 in words is "forty-nine billion, one hundred twelve million, five hundred six thousand, nine hundred fifty-seven".