6393660372 has 48 divisors (see below), whose sum is σ = 18083083200. Its totient is φ = 1937472480.

The previous prime is 6393660337. The next prime is 6393660433. The reversal of 6393660372 is 2730663936.

6393660372 is a `hidden beast` number, since 6 + 3 + 9 + 36 + 603 + 7 + 2 = 666.

It is a congruent 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, 2689747 + ... + 2692122.

It is an arithmetic number, because the mean of its divisors is an integer number (376730900).

Almost surely, 2^6393660372 is an apocalyptic number.

It is an amenable number.

6393660372 is an abundant number, since it is smaller than the sum of its proper divisors (11689422828).

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

6393660372 is a wasteful number, since it uses less digits than its factorization.

6393660372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5381893 (or 5381885 counting only the distinct ones).

The product of its (nonzero) digits is 734832, while the sum is 45.

The square root of 6393660372 is about 79960.3675079098. The cubic root of 6393660372 is about 1856.0222903616.

The spelling of 6393660372 in words is "six billion, three hundred ninety-three million, six hundred sixty thousand, three hundred seventy-two".