49663097872 has 10 divisors (see below), whose sum is σ = 96222252158. Its totient is φ = 24831548928.

The previous prime is 49663097851. The next prime is 49663097881. The reversal of 49663097872 is 27879036694.

It can be written as a sum of positive squares in only one way, i.e., 31975161856 + 17687936016 = 178816^2 + 132996^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 49663097872.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1551971793 + ... + 1551971824.

Almost surely, 2^49663097872 is an apocalyptic number.

It is an amenable number.

49663097872 is a deficient number, since it is larger than the sum of its proper divisors (46559154286).

49663097872 is a wasteful number, since it uses less digits than its factorization.

49663097872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3103943625 (or 3103943619 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 49663097872 in words is "forty-nine billion, six hundred sixty-three million, ninety-seven thousand, eight hundred seventy-two".