13831408866 has 32 divisors (see below), whose sum is σ = 30184996608. Its totient is φ = 4190311440.

The previous prime is 13831408861. The next prime is 13831408889. The reversal of 13831408866 is 66880413831.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (13831408861) 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, 272505 + ... + 319251.

It is an arithmetic number, because the mean of its divisors is an integer number (943281144).

Almost surely, 2^13831408866 is an apocalyptic number.

13831408866 is an abundant number, since it is smaller than the sum of its proper divisors (16353587742).

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

13831408866 is a wasteful number, since it uses less digits than its factorization.

13831408866 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51246.

The product of its (nonzero) digits is 663552, while the sum is 48.

The spelling of 13831408866 in words is "thirteen billion, eight hundred thirty-one million, four hundred eight thousand, eight hundred sixty-six".