869602399038 has 48 divisors (see below), whose sum is σ = 1949855544000. Its totient is φ = 279764815680.

The previous prime is 869602398989. The next prime is 869602399073. The reversal of 869602399038 is 830993206968.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1050363 + ... + 1685961.

It is an arithmetic number, because the mean of its divisors is an integer number (40621990500).

Almost surely, 2^869602399038 is an apocalyptic number.

869602399038 is an abundant number, since it is smaller than the sum of its proper divisors (1080253144962).

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

869602399038 is a wasteful number, since it uses less digits than its factorization.

869602399038 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 638257 (or 638254 counting only the distinct ones).

The product of its (nonzero) digits is 30233088, while the sum is 63.

The spelling of 869602399038 in words is "eight hundred sixty-nine billion, six hundred two million, three hundred ninety-nine thousand, thirty-eight".