10128990902 has 16 divisors (see below), whose sum is σ = 15691224192. Its totient is φ = 4898741760.

The previous prime is 10128990901. The next prime is 10128990913. The reversal of 10128990902 is 20909982101.

It is a self number, because there is not a number n which added to its sum of digits gives 10128990902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10128990901) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 92348 + ... + 169664.

It is an arithmetic number, because the mean of its divisors is an integer number (980701512).

Almost surely, 2^10128990902 is an apocalyptic number.

10128990902 is a deficient number, since it is larger than the sum of its proper divisors (5562233290).

10128990902 is a wasteful number, since it uses less digits than its factorization.

10128990902 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79463.

The product of its (nonzero) digits is 23328, while the sum is 41.

The spelling of 10128990902 in words is "ten billion, one hundred twenty-eight million, nine hundred ninety thousand, nine hundred two".