869964021234 has 96 divisors (see below), whose sum is σ = 2365596380160. Its totient is φ = 224468172000.

The previous prime is 869964021229. The next prime is 869964021307. The reversal of 869964021234 is 432120469968.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1869124 + ... + 2287695.

It is an arithmetic number, because the mean of its divisors is an integer number (24641628960).

Almost surely, 2^869964021234 is an apocalyptic number.

869964021234 is an abundant number, since it is smaller than the sum of its proper divisors (1495632358926).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

869964021234 is a wasteful number, since it uses less digits than its factorization.

869964021234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4156996 (or 4156993 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 869964021234 in words is "eight hundred sixty-nine billion, nine hundred sixty-four million, twenty-one thousand, two hundred thirty-four".