13881630655 has 8 divisors (see below), whose sum is σ = 16661535984. Its totient is φ = 11102918400.

The previous prime is 13881630599. The next prime is 13881630673. The reversal of 13881630655 is 55603618831.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 13881630655 - 2¹⁹ = 13881106367 is a prime.

It is a Duffinian 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, 272466 + ... + 319375.

It is an arithmetic number, because the mean of its divisors is an integer number (2082691998).

Almost surely, 2^13881630655 is an apocalyptic number.

13881630655 is a deficient number, since it is larger than the sum of its proper divisors (2779905329).

13881630655 is an equidigital number, since it uses as much as digits as its factorization.

13881630655 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 596537.

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 13881630655 in words is "thirteen billion, eight hundred eighty-one million, six hundred thirty thousand, six hundred fifty-five".