49933663972 has 12 divisors (see below), whose sum is σ = 87407612656. Its totient is φ = 24960060360.

The previous prime is 49933663961. The next prime is 49933663973. The reversal of 49933663972 is 27936633994.

49933663972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×49933663972² (a number of 22 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 49933663972.

It is not an unprimeable number, because it can be changed into a prime (49933663973) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1676298 + ... + 1705825.

Almost surely, 2^49933663972 is an apocalyptic number.

It is an amenable number.

49933663972 is a deficient number, since it is larger than the sum of its proper divisors (37473948684).

49933663972 is a wasteful number, since it uses less digits than its factorization.

49933663972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3385818 (or 3385816 counting only the distinct ones).

The product of its digits is 39680928, while the sum is 61.

The spelling of 49933663972 in words is "forty-nine billion, nine hundred thirty-three million, six hundred sixty-three thousand, nine hundred seventy-two".