6399365097 has 16 divisors (see below), whose sum is σ = 9084882240. Its totient is φ = 3992850432.

The previous prime is 6399365047. The next prime is 6399365107. The reversal of 6399365097 is 7905639936.

It is not a de Polignac number, because 6399365097 - 2⁶ = 6399365033 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6399365047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 341368 + ... + 359625.

It is an arithmetic number, because the mean of its divisors is an integer number (567805140).

Almost surely, 2^6399365097 is an apocalyptic number.

It is an amenable number.

6399365097 is a deficient number, since it is larger than the sum of its proper divisors (2685517143).

6399365097 is a wasteful number, since it uses less digits than its factorization.

6399365097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 701192.

The product of its (nonzero) digits is 8266860, while the sum is 57.

The square root of 6399365097 is about 79996.0317578316. The cubic root of 6399365097 is about 1856.5741364424.

The spelling of 6399365097 in words is "six billion, three hundred ninety-nine million, three hundred sixty-five thousand, ninety-seven".