49945364913 has 16 divisors (see below), whose sum is σ = 68125418240. Its totient is φ = 32539480704.

The previous prime is 49945364881. The next prime is 49945364939. The reversal of 49945364913 is 31946354994.

It is not a de Polignac number, because 49945364913 - 2⁵ = 49945364881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (49945364113) 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 in 15 ways as a sum of consecutive naturals, for example, 1022281 + ... + 1070022.

It is an arithmetic number, because the mean of its divisors is an integer number (4257838640).

Almost surely, 2^49945364913 is an apocalyptic number.

It is an amenable number.

49945364913 is a deficient number, since it is larger than the sum of its proper divisors (18180053327).

49945364913 is a wasteful number, since it uses less digits than its factorization.

49945364913 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2092488.

The product of its digits is 12597120, while the sum is 57.

The spelling of 49945364913 in words is "forty-nine billion, nine hundred forty-five million, three hundred sixty-four thousand, nine hundred thirteen".