13104214939621 has 4 divisors (see below), whose sum is σ = 14112231473452. Its totient is φ = 12096198405792.

The previous prime is 13104214939577. The next prime is 13104214939637. The reversal of 13104214939621 is 12693941240131.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4377242258596 + 8726972681025 = 2092186^2 + 2954145^2 .

It is a cyclic number.

It is not a de Polignac number, because 13104214939621 - 2⁴³ = 4308121917413 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13104214939021) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 504008266896 + ... + 504008266921.

It is an arithmetic number, because the mean of its divisors is an integer number (3528057868363).

Almost surely, 2^{13104214939621} is an apocalyptic number.

It is an amenable number.

13104214939621 is a deficient number, since it is larger than the sum of its proper divisors (1008016533831).

13104214939621 is a wasteful number, since it uses less digits than its factorization.

13104214939621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1008016533830.

The product of its (nonzero) digits is 279936, while the sum is 46.

The spelling of 13104214939621 in words is "thirteen trillion, one hundred four billion, two hundred fourteen million, nine hundred thirty-nine thousand, six hundred twenty-one".