49681434972 has 36 divisors (see below), whose sum is σ = 125526471000. Its totient is φ = 15286594752.

The previous prime is 49681434961. The next prime is 49681435031. The reversal of 49681434972 is 27943418694.

49681434972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12246847 + ... + 12250902.

Almost surely, 2^49681434972 is an apocalyptic number.

It is an amenable number.

49681434972 is an abundant number, since it is smaller than the sum of its proper divisors (75845036028).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49681434972 is a wasteful number, since it uses less digits than its factorization.

49681434972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24497782 (or 24497767 counting only the distinct ones).

The product of its digits is 10450944, while the sum is 57.

The spelling of 49681434972 in words is "forty-nine billion, six hundred eighty-one million, four hundred thirty-four thousand, nine hundred seventy-two".