239662489492 has 12 divisors (see below), whose sum is σ = 427322741076. Its totient is φ = 117570277760.

The previous prime is 239662489489. The next prime is 239662489499. The reversal of 239662489492 is 294984266932.

It can be written as a sum of positive squares in 2 ways, for example, as 136193473936 + 103469015556 = 369044^2 + 321666^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239662489499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 565241509 + ... + 565241932.

It is an arithmetic number, because the mean of its divisors is an integer number (35610228423).

Almost surely, 2^239662489492 is an apocalyptic number.

It is an amenable number.

239662489492 is a deficient number, since it is larger than the sum of its proper divisors (187660251584).

239662489492 is a wasteful number, since it uses less digits than its factorization.

239662489492 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1130483498 (or 1130483496 counting only the distinct ones).

The product of its digits is 80621568, while the sum is 64.

The spelling of 239662489492 in words is "two hundred thirty-nine billion, six hundred sixty-two million, four hundred eighty-nine thousand, four hundred ninety-two".