13881630654 has 24 divisors (see below), whose sum is σ = 30163060200. Its totient is φ = 4613949648.

The previous prime is 13881630599. The next prime is 13881630673. The reversal of 13881630654 is 45603618831.

13881630654 is a `hidden beast` number, since 1 + 3 + 8 + 8 + 1 + 630 + 6 + 5 + 4 = 666.

It is a super-2 number, since 2×13881630654² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1098592 + ... + 1111155.

It is an arithmetic number, because the mean of its divisors is an integer number (1256794175).

Almost surely, 2^13881630654 is an apocalyptic number.

13881630654 is an abundant number, since it is smaller than the sum of its proper divisors (16281429546).

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

13881630654 is a wasteful number, since it uses less digits than its factorization.

13881630654 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2210104 (or 2210101 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 13881630654 in words is "thirteen billion, eight hundred eighty-one million, six hundred thirty thousand, six hundred fifty-four".