392947870149 has 12 divisors (see below), whose sum is σ = 600979095756. Its totient is φ = 246555526272.

The previous prime is 392947870141. The next prime is 392947870151. The reversal of 392947870149 is 941078749293.

392947870149 is a `hidden beast` number, since 3 + 92 + 9 + 478 + 70 + 1 + 4 + 9 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 230846616225 + 162101253924 = 480465^2 + 402618^2 .

It is not a de Polignac number, because 392947870149 - 2³ = 392947870141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (392947870141) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1284143214 + ... + 1284143519.

It is an arithmetic number, because the mean of its divisors is an integer number (50081591313).

Almost surely, 2^392947870149 is an apocalyptic number.

It is an amenable number.

392947870149 is a deficient number, since it is larger than the sum of its proper divisors (208031225607).

392947870149 is a wasteful number, since it uses less digits than its factorization.

392947870149 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2568286756 (or 2568286753 counting only the distinct ones).

The product of its (nonzero) digits is 27433728, while the sum is 63.

The spelling of 392947870149 in words is "three hundred ninety-two billion, nine hundred forty-seven million, eight hundred seventy thousand, one hundred forty-nine".