49665687925 has 24 divisors (see below), whose sum is σ = 74087768000. Its totient is φ = 32264023680.

The previous prime is 49665687923. The next prime is 49665687937. The reversal of 49665687925 is 52978656694.

It is not a de Polignac number, because 49665687925 - 2¹ = 49665687923 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49665687923) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7465200 + ... + 7471849.

Almost surely, 2^49665687925 is an apocalyptic number.

It is an amenable number.

49665687925 is a deficient number, since it is larger than the sum of its proper divisors (24422080075).

49665687925 is a wasteful number, since it uses less digits than its factorization.

49665687925 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14937085 (or 14937080 counting only the distinct ones).

The product of its digits is 195955200, while the sum is 67.

The spelling of 49665687925 in words is "forty-nine billion, six hundred sixty-five million, six hundred eighty-seven thousand, nine hundred twenty-five".