49915251994 has 16 divisors (see below), whose sum is σ = 81531266400. Its totient is φ = 22828753584.

The previous prime is 49915251979. The next prime is 49915252003.

49915251994 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (58).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22646472 + ... + 22648675.

It is an arithmetic number, because the mean of its divisors is an integer number (5095704150).

Almost surely, 2^49915251994 is an apocalyptic number.

49915251994 is a deficient number, since it is larger than the sum of its proper divisors (31616014406).

49915251994 is a wasteful number, since it uses less digits than its factorization.

49915251994 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45295197.

The product of its digits is 5248800, while the sum is 58.

The spelling of 49915251994 in words is "forty-nine billion, nine hundred fifteen million, two hundred fifty-one thousand, nine hundred ninety-four".