49880968791 has 16 divisors (see below), whose sum is σ = 67722894720. Its totient is φ = 32647972640.

The previous prime is 49880968771. The next prime is 49880968801. The reversal of 49880968791 is 19786908894.

It is a cyclic number.

It is not a de Polignac number, because 49880968791 - 2¹³ = 49880960599 is a prime.

It is a super-2 number, since 2×49880968791² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49880968751) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 45465 + ... + 319106.

It is an arithmetic number, because the mean of its divisors is an integer number (4232680920).

Almost surely, 2^49880968791 is an apocalyptic number.

49880968791 is a deficient number, since it is larger than the sum of its proper divisors (17841925929).

49880968791 is a wasteful number, since it uses less digits than its factorization.

49880968791 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 365406.

The product of its (nonzero) digits is 62705664, while the sum is 69.

The spelling of 49880968791 in words is "forty-nine billion, eight hundred eighty million, nine hundred sixty-eight thousand, seven hundred ninety-one".