49001258057 has 2 divisors, whose sum is σ = 49001258058. Its totient is φ = 49001258056.

The previous prime is 49001258041. The next prime is 49001258171. The reversal of 49001258057 is 75085210094.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 43222825801 + 5778432256 = 207901^2 + 76016^2 .

It is a cyclic number.

It is not a de Polignac number, because 49001258057 - 2⁴ = 49001258041 is a prime.

It is a super-2 number, since 2×49001258057² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (49001258027) 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 as a sum of consecutive naturals, namely, 24500629028 + 24500629029.

It is an arithmetic number, because the mean of its divisors is an integer number (24500629029).

Almost surely, 2^49001258057 is an apocalyptic number.

It is an amenable number.

49001258057 is a deficient number, since it is larger than the sum of its proper divisors (1).

49001258057 is an equidigital number, since it uses as much as digits as its factorization.

49001258057 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 100800, while the sum is 41.

The spelling of 49001258057 in words is "forty-nine billion, one million, two hundred fifty-eight thousand, fifty-seven".