39199720002 has 32 divisors (see below), whose sum is σ = 82754416320. Its totient is φ = 12378845952.

The previous prime is 39199719997. The next prime is 39199720013. The reversal of 39199720002 is 20002799193.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435103 + ... + 517410.

It is an arithmetic number, because the mean of its divisors is an integer number (2586075510).

Almost surely, 2^39199720002 is an apocalyptic number.

39199720002 is an abundant number, since it is smaller than the sum of its proper divisors (43554696318).

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

39199720002 is an equidigital number, since it uses as much as digits as its factorization.

39199720002 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952575 (or 952537 counting only the distinct ones).

The product of its (nonzero) digits is 61236, while the sum is 42.

The spelling of 39199720002 in words is "thirty-nine billion, one hundred ninety-nine million, seven hundred twenty thousand, two".