389649353900 has 18 divisors (see below), whose sum is σ = 845539098180. Its totient is φ = 155859741520.

The previous prime is 389649353897. The next prime is 389649354023. The reversal of 389649353900 is 9353946983.

It is a self number, because there is not a number n which added to its sum of digits gives 389649353900.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1948246670 + ... + 1948246869.

Almost surely, 2^389649353900 is an apocalyptic number.

It is an amenable number.

389649353900 is an abundant number, since it is smaller than the sum of its proper divisors (455889744280).

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

389649353900 is a wasteful number, since it uses less digits than its factorization.

389649353900 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3896493553 (or 3896493546 counting only the distinct ones).

The product of its (nonzero) digits is 18895680, while the sum is 59.

The spelling of 389649353900 in words is "three hundred eighty-nine billion, six hundred forty-nine million, three hundred fifty-three thousand, nine hundred".