13621654411 has 2 divisors, whose sum is σ = 13621654412. Its totient is φ = 13621654410.

The previous prime is 13621654381. The next prime is 13621654421. The reversal of 13621654411 is 11445612631.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 13621654411 - 2⁷ = 13621654283 is a prime.

It is not a weakly prime, because it can be changed into another prime (13621654421) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6810827205 + 6810827206.

It is an arithmetic number, because the mean of its divisors is an integer number (6810827206).

Almost surely, 2^13621654411 is an apocalyptic number.

13621654411 is a deficient number, since it is larger than the sum of its proper divisors (1).

13621654411 is an equidigital number, since it uses as much as digits as its factorization.

13621654411 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 17280, while the sum is 34.

The spelling of 13621654411 in words is "thirteen billion, six hundred twenty-one million, six hundred fifty-four thousand, four hundred eleven".