239137959669 has 16 divisors (see below), whose sum is σ = 364504072320. Its totient is φ = 136611498240.

The previous prime is 239137959551. The next prime is 239137959677. The reversal of 239137959669 is 966959731932.

It is not a de Polignac number, because 239137959669 - 2¹¹ = 239137957621 is a prime.

It is a super-2 number, since 2×239137959669² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239137959169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1539312 + ... + 1687529.

It is an arithmetic number, because the mean of its divisors is an integer number (22781504520).

Almost surely, 2^239137959669 is an apocalyptic number.

It is an amenable number.

239137959669 is a deficient number, since it is larger than the sum of its proper divisors (125366112651).

239137959669 is a wasteful number, since it uses less digits than its factorization.

239137959669 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3230380.

The product of its digits is 148803480, while the sum is 69.

The spelling of 239137959669 in words is "two hundred thirty-nine billion, one hundred thirty-seven million, nine hundred fifty-nine thousand, six hundred sixty-nine".