13898235170990 has 16 divisors (see below), whose sum is σ = 25017028569360. Its totient is φ = 5559248454720.

The previous prime is 13898235170983. The next prime is 13898235171043. The reversal of 13898235170990 is 9907153289831.

It is a happy number.

It is a congruent 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, 4408016 + ... + 6872195.

It is an arithmetic number, because the mean of its divisors is an integer number (1563564285585).

Almost surely, 2^{13898235170990} is an apocalyptic number.

13898235170990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13898235170990 is a deficient number, since it is larger than the sum of its proper divisors (11118793398370).

13898235170990 is a wasteful number, since it uses less digits than its factorization.

13898235170990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11403427.

The product of its (nonzero) digits is 29393280, while the sum is 65.

The spelling of 13898235170990 in words is "thirteen trillion, eight hundred ninety-eight billion, two hundred thirty-five million, one hundred seventy thousand, nine hundred ninety".