259938864964 has 27 divisors (see below), whose sum is σ = 457312999647. Its totient is φ = 129281655624.

The previous prime is 259938864943. The next prime is 259938864971. The reversal of 259938864964 is 469468839952.

The square root of 259938864964 is 509842.

It is a perfect power (a square), and thus also a powerful number.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 231467707 + ... + 231468829.

Almost surely, 2^259938864964 is an apocalyptic number.

259938864964 is the 509842-nd square number.

It is an amenable number.

259938864964 is a deficient number, since it is larger than the sum of its proper divisors (197374134683).

259938864964 is an frugal number, since it uses more digits than its factorization.

259938864964 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2704 (or 1352 counting only the distinct ones).

The product of its digits is 806215680, while the sum is 73.

The spelling of 259938864964 in words is "two hundred fifty-nine billion, nine hundred thirty-eight million, eight hundred sixty-four thousand, nine hundred sixty-four".