39713925650 has 24 divisors (see below), whose sum is σ = 84420459840. Its totient is φ = 13616202960.

The previous prime is 39713925623. The next prime is 39713925661. The reversal of 39713925650 is 5652931793.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (50).

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, 56733830 + ... + 56734529.

It is an arithmetic number, because the mean of its divisors is an integer number (3517519160).

Almost surely, 2^39713925650 is an apocalyptic number.

39713925650 is an abundant number, since it is smaller than the sum of its proper divisors (44706534190).

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

39713925650 is a wasteful number, since it uses less digits than its factorization.

39713925650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113468378 (or 113468373 counting only the distinct ones).

The product of its (nonzero) digits is 1530900, while the sum is 50.

The spelling of 39713925650 in words is "thirty-nine billion, seven hundred thirteen million, nine hundred twenty-five thousand, six hundred fifty".