49255602569 has 2 divisors, whose sum is σ = 49255602570. Its totient is φ = 49255602568.

The previous prime is 49255602553. The next prime is 49255602607. The reversal of 49255602569 is 96520655294.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 28027112569 + 21228490000 = 167413^2 + 145700^2 .

It is a cyclic number.

It is not a de Polignac number, because 49255602569 - 2⁴ = 49255602553 is a prime.

It is a super-2 number, since 2×49255602569² (a number of 22 digits) contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 49255602569.

It is not a weakly prime, because it can be changed into another prime (49255602469) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 24627801284 + 24627801285.

It is an arithmetic number, because the mean of its divisors is an integer number (24627801285).

Almost surely, 2^49255602569 is an apocalyptic number.

It is an amenable number.

49255602569 is a deficient number, since it is larger than the sum of its proper divisors (1).

49255602569 is an equidigital number, since it uses as much as digits as its factorization.

49255602569 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832000, while the sum is 53.

The spelling of 49255602569 in words is "forty-nine billion, two hundred fifty-five million, six hundred two thousand, five hundred sixty-nine".