13953195690 has 64 divisors (see below), whose sum is σ = 38500890624. Its totient is φ = 3170196288.

The previous prime is 13953195643. The next prime is 13953195703. The reversal of 13953195690 is 9659135931.

It is a super-2 number, since 2×13953195690² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 163864 + ... + 234003.

It is an arithmetic number, because the mean of its divisors is an integer number (601576416).

Almost surely, 2^13953195690 is an apocalyptic number.

13953195690 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13953195690 is an abundant number, since it is smaller than the sum of its proper divisors (24547694934).

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

13953195690 is a wasteful number, since it uses less digits than its factorization.

13953195690 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 398051.

The product of its (nonzero) digits is 984150, while the sum is 51.

The spelling of 13953195690 in words is "thirteen billion, nine hundred fifty-three million, one hundred ninety-five thousand, six hundred ninety".