13026680609021 has 8 divisors (see below), whose sum is σ = 13056518386560. Its totient is φ = 12996843578928.

The previous prime is 13026680608973. The next prime is 13026680609069. The reversal of 13026680609021 is 12090608662031.

It is an interprime number because it is at equal distance from previous prime (13026680608973) and next prime (13026680609069).

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13026680609021 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 (13026680606021) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50266640 + ... + 50525126.

It is an arithmetic number, because the mean of its divisors is an integer number (1632064798320).

Almost surely, 2^{13026680609021} is an apocalyptic number.

It is an amenable number.

13026680609021 is a deficient number, since it is larger than the sum of its proper divisors (29837777539).

13026680609021 is a wasteful number, since it uses less digits than its factorization.

13026680609021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 373723.

The product of its (nonzero) digits is 186624, while the sum is 44.

The spelling of 13026680609021 in words is "thirteen trillion, twenty-six billion, six hundred eighty million, six hundred nine thousand, twenty-one".