13920888947169 has 16 divisors (see below), whose sum is σ = 19059041664000. Its totient is φ = 9034718765136.

The previous prime is 13920888947107. The next prime is 13920888947177. The reversal of 13920888947169 is 96174988802931.

It is not a de Polignac number, because 13920888947169 - 2²⁸ = 13920620511713 is a prime.

It is a super-2 number, since 2×13920888947169² (a number of 27 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 13920888947169.

It is not an unprimeable number, because it can be changed into a prime (13920888907169) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 381773469 + ... + 381809930.

It is an arithmetic number, because the mean of its divisors is an integer number (1191190104000).

Almost surely, 2^{13920888947169} is an apocalyptic number.

It is an amenable number.

13920888947169 is a deficient number, since it is larger than the sum of its proper divisors (5138152716831).

13920888947169 is a wasteful number, since it uses less digits than its factorization.

13920888947169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 763583564.

The product of its (nonzero) digits is 376233984, while the sum is 75.

The spelling of 13920888947169 in words is "thirteen trillion, nine hundred twenty billion, eight hundred eighty-eight million, nine hundred forty-seven thousand, one hundred sixty-nine".