13346863838 has 32 divisors (see below), whose sum is σ = 24965798400. Its totient is φ = 5198945760.

The previous prime is 13346863837. The next prime is 13346863843. The reversal of 13346863838 is 83836864331.

It is a super-2 number, since 2×13346863838² (a number of 21 digits) contains 22 as substring.

It is a Smith number, since the sum of its digits (53) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 13346863838.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13346863837) 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, 1218695 + ... + 1229597.

It is an arithmetic number, because the mean of its divisors is an integer number (780181200).

Almost surely, 2^13346863838 is an apocalyptic number.

13346863838 is a deficient number, since it is larger than the sum of its proper divisors (11618934562).

13346863838 is a wasteful number, since it uses less digits than its factorization.

13346863838 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18872.

The product of its digits is 5971968, while the sum is 53.

The spelling of 13346863838 in words is "thirteen billion, three hundred forty-six million, eight hundred sixty-three thousand, eight hundred thirty-eight".