13738026861 has 24 divisors (see below), whose sum is σ = 21379708896. Its totient is φ = 8450434080.

The previous prime is 13738026857. The next prime is 13738026899. The reversal of 13738026861 is 16862083731.

13738026861 is a `hidden beast` number, since 1 + 3 + 7 + 380 + 268 + 6 + 1 = 666.

It is not a de Polignac number, because 13738026861 - 2² = 13738026857 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13738026761) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 252646 + ... + 302168.

It is an arithmetic number, because the mean of its divisors is an integer number (890821204).

Almost surely, 2^13738026861 is an apocalyptic number.

It is an amenable number.

13738026861 is a deficient number, since it is larger than the sum of its proper divisors (7641682035).

13738026861 is a wasteful number, since it uses less digits than its factorization.

13738026861 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51913 (or 51910 counting only the distinct ones).

The product of its (nonzero) digits is 290304, while the sum is 45.

The spelling of 13738026861 in words is "thirteen billion, seven hundred thirty-eight million, twenty-six thousand, eight hundred sixty-one".