4686388172892 has 18 divisors (see below), whose sum is σ = 11846147881568. Its totient is φ = 1562129390952.

The previous prime is 4686388172887. The next prime is 4686388172927. The reversal of 4686388172892 is 2982718836864.

4686388172892 is a `hidden beast` number, since 468 + 6 + 3 + 8 + 8 + 1 + 72 + 8 + 92 = 666.

It is a tau number, because it is divible by the number of its divisors (18).

It is a self number, because there is not a number n which added to its sum of digits gives 4686388172892.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 65088724588 + ... + 65088724659.

Almost surely, 2^{4686388172892} is an apocalyptic number.

It is an amenable number.

4686388172892 is an abundant number, since it is smaller than the sum of its proper divisors (7159759708676).

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

4686388172892 is a wasteful number, since it uses less digits than its factorization.

4686388172892 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 130177449257 (or 130177449252 counting only the distinct ones).

The product of its digits is 445906944, while the sum is 72.

The spelling of 4686388172892 in words is "four trillion, six hundred eighty-six billion, three hundred eighty-eight million, one hundred seventy-two thousand, eight hundred ninety-two".