49920970311 has 12 divisors (see below), whose sum is σ = 74434135360. Its totient is φ = 32207077440.

The previous prime is 49920970289. The next prime is 49920970313. The reversal of 49920970311 is 11307902994.

It is not a de Polignac number, because 49920970311 - 2¹⁵ = 49920937543 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49920970313) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 89463826 + ... + 89464383.

Almost surely, 2^49920970311 is an apocalyptic number.

49920970311 is a deficient number, since it is larger than the sum of its proper divisors (24513165049).

49920970311 is a wasteful number, since it uses less digits than its factorization.

49920970311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 178928246 (or 178928243 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 45.

The spelling of 49920970311 in words is "forty-nine billion, nine hundred twenty million, nine hundred seventy thousand, three hundred eleven".