906204291988 has 12 divisors (see below), whose sum is σ = 1593826645600. Its totient is φ = 450825250392.

The previous prime is 906204291983. The next prime is 906204291989. The reversal of 906204291988 is 889192402609.

It is a hoax number, since the sum of its digits (58) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (906204291983) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 569223006 + ... + 569224597.

Almost surely, 2^906204291988 is an apocalyptic number.

It is an amenable number.

906204291988 is a deficient number, since it is larger than the sum of its proper divisors (687622353612).

906204291988 is a wasteful number, since it uses less digits than its factorization.

906204291988 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1138447806 (or 1138447804 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 58.

The spelling of 906204291988 in words is "nine hundred six billion, two hundred four million, two hundred ninety-one thousand, nine hundred eighty-eight".