239694994870 has 16 divisors (see below), whose sum is σ = 431555305680. Its totient is φ = 95854816864.

The previous prime is 239694994831. The next prime is 239694994921. The reversal of 239694994870 is 78499496932.

It is a self number, because there is not a number n which added to its sum of digits gives 239694994870.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2854177 + ... + 2936956.

It is an arithmetic number, because the mean of its divisors is an integer number (26972206605).

Almost surely, 2^239694994870 is an apocalyptic number.

239694994870 is a deficient number, since it is larger than the sum of its proper divisors (191860310810).

239694994870 is a wasteful number, since it uses less digits than its factorization.

239694994870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5795279.

The product of its (nonzero) digits is 211631616, while the sum is 70.

The spelling of 239694994870 in words is "two hundred thirty-nine billion, six hundred ninety-four million, nine hundred ninety-four thousand, eight hundred seventy".