389129655674 has 4 divisors (see below), whose sum is σ = 583694483514. Its totient is φ = 194564827836.

The previous prime is 389129655671. The next prime is 389129655679. The reversal of 389129655674 is 476556921983.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 356536769449 + 32592886225 = 597107^2 + 180535^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 389129655674.

It is not an unprimeable number, because it can be changed into a prime (389129655671) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 97282413917 + ... + 97282413920.

Almost surely, 2^389129655674 is an apocalyptic number.

389129655674 is a deficient number, since it is larger than the sum of its proper divisors (194564827840).

389129655674 is a wasteful number, since it uses less digits than its factorization.

389129655674 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 194564827839.

The product of its digits is 97977600, while the sum is 65.

The spelling of 389129655674 in words is "three hundred eighty-nine billion, one hundred twenty-nine million, six hundred fifty-five thousand, six hundred seventy-four".