49639206972 has 24 divisors (see below), whose sum is σ = 115829876176. Its totient is φ = 16545679488.

The previous prime is 49639206961. The next prime is 49639206973. The reversal of 49639206972 is 27960293694.

It is a happy number.

49639206972 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 not an unprimeable number, because it can be changed into a prime (49639206973) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 245808 + ... + 399624.

Almost surely, 2^49639206972 is an apocalyptic number.

It is an amenable number.

49639206972 is an abundant number, since it is smaller than the sum of its proper divisors (66190669204).

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

49639206972 is a wasteful number, since it uses less digits than its factorization.

49639206972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 180717 (or 180715 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 57.

The spelling of 49639206972 in words is "forty-nine billion, six hundred thirty-nine million, two hundred six thousand, nine hundred seventy-two".