49313157313 has 4 divisors (see below), whose sum is σ = 56357894080. Its totient is φ = 42268420548.

The previous prime is 49313157307. The next prime is 49313157317. The reversal of 49313157313 is 31375131394.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 49313157313 - 2²⁵ = 49279602881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49313157317) 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 3 ways as a sum of consecutive naturals, for example, 3522368373 + ... + 3522368386.

It is an arithmetic number, because the mean of its divisors is an integer number (14089473520).

Almost surely, 2^49313157313 is an apocalyptic number.

It is an amenable number.

49313157313 is a deficient number, since it is larger than the sum of its proper divisors (7044736767).

49313157313 is an equidigital number, since it uses as much as digits as its factorization.

49313157313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7044736766.

The product of its digits is 102060, while the sum is 40.

The spelling of 49313157313 in words is "forty-nine billion, three hundred thirteen million, one hundred fifty-seven thousand, three hundred thirteen".