49842328313 has 4 divisors (see below), whose sum is σ = 49918657188. Its totient is φ = 49765999440.

The previous prime is 49842328309. The next prime is 49842328363. The reversal of 49842328313 is 31382324894.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 31382324894 = 2 ⋅15691162447.

It can be written as a sum of positive squares in 2 ways, for example, as 33763327504 + 16079000809 = 183748^2 + 126803^2 .

It is a cyclic number.

It is not a de Polignac number, because 49842328313 - 2² = 49842328309 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49842328363) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 38163458 + ... + 38164763.

It is an arithmetic number, because the mean of its divisors is an integer number (12479664297).

Almost surely, 2^49842328313 is an apocalyptic number.

It is an amenable number.

49842328313 is a deficient number, since it is larger than the sum of its proper divisors (76328875).

49842328313 is an equidigital number, since it uses as much as digits as its factorization.

49842328313 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76328874.

The product of its digits is 995328, while the sum is 47.

The spelling of 49842328313 in words is "forty-nine billion, eight hundred forty-two million, three hundred twenty-eight thousand, three hundred thirteen".