392389389045 has 40 divisors (see below), whose sum is σ = 704277444024. Its totient is φ = 209011591296.

The previous prime is 392389389017. The next prime is 392389389101. The reversal of 392389389045 is 540983983293.

392389389045 is a `hidden beast` number, since 392 + 38 + 93 + 8 + 90 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 16985648241 + 375403740804 = 130329^2 + 612702^2 .

It is not a de Polignac number, because 392389389045 - 2⁵ = 392389389013 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 285034 + ... + 930603.

Almost surely, 2^392389389045 is an apocalyptic number.

It is an amenable number.

392389389045 is a deficient number, since it is larger than the sum of its proper divisors (311888054979).

392389389045 is a wasteful number, since it uses less digits than its factorization.

392389389045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216451 (or 1216442 counting only the distinct ones).

The product of its (nonzero) digits is 50388480, while the sum is 63.

The spelling of 392389389045 in words is "three hundred ninety-two billion, three hundred eighty-nine million, three hundred eighty-nine thousand, forty-five".