128989564204 has 24 divisors (see below), whose sum is σ = 233028887168. Its totient is φ = 62410158720.

The previous prime is 128989564181. The next prime is 128989564219. The reversal of 128989564204 is 402465989821.

It is a happy 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, 2723494 + ... + 2770450.

Almost surely, 2^128989564204 is an apocalyptic number.

It is an amenable number.

128989564204 is a deficient number, since it is larger than the sum of its proper divisors (104039322964).

128989564204 is a wasteful number, since it uses less digits than its factorization.

128989564204 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69145 (or 69143 counting only the distinct ones).

The product of its (nonzero) digits is 9953280, while the sum is 58.

The spelling of 128989564204 in words is "one hundred twenty-eight billion, nine hundred eighty-nine million, five hundred sixty-four thousand, two hundred four".