13671905568838 has 32 divisors (see below), whose sum is σ = 24097975621632. Its totient is φ = 5752554931200.

The previous prime is 13671905568821. The next prime is 13671905568847. The reversal of 13671905568838 is 83886550917631.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 435783931 + ... + 435815302.

It is an arithmetic number, because the mean of its divisors is an integer number (753061738176).

Almost surely, 2^{13671905568838} is an apocalyptic number.

13671905568838 is a deficient number, since it is larger than the sum of its proper divisors (10426070052794).

13671905568838 is a wasteful number, since it uses less digits than its factorization.

13671905568838 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 871599300.

The product of its (nonzero) digits is 261273600, while the sum is 70.

The spelling of 13671905568838 in words is "thirteen trillion, six hundred seventy-one billion, nine hundred five million, five hundred sixty-eight thousand, eight hundred thirty-eight".