49999999904 has 48 divisors (see below), whose sum is σ = 99465843456. Its totient is φ = 24739104000.

The previous prime is 49999999867. The next prime is 49999999957. The reversal of 49999999904 is 40999999994.

It is a happy number.

49999999904 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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, 8940149 + ... + 8945739.

It is an arithmetic number, because the mean of its divisors is an integer number (2072205072).

Almost surely, 2^49999999904 is an apocalyptic number.

It is an amenable number.

49999999904 is a deficient number, since it is larger than the sum of its proper divisors (49465843552).

49999999904 is a wasteful number, since it uses less digits than its factorization.

49999999904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8469 (or 8461 counting only the distinct ones).

The product of its (nonzero) digits is 688747536, while the sum is 80.

It can be divided in two parts, 4999999990 and 4, that added together give a palindrome (4999999994).

The spelling of 49999999904 in words is "forty-nine billion, nine hundred ninety-nine million, nine hundred ninety-nine thousand, nine hundred four".