21332676713 has 2 divisors, whose sum is σ = 21332676714. Its totient is φ = 21332676712.

The previous prime is 21332676647. The next prime is 21332676751. The reversal of 21332676713 is 31767623312.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 12654450064 + 8678226649 = 112492^2 + 93157^2 .

It is a cyclic number.

It is not a de Polignac number, because 21332676713 - 2²⁰ = 21331628137 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (21332676773) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10666338356 + 10666338357.

It is an arithmetic number, because the mean of its divisors is an integer number (10666338357).

Almost surely, 2^21332676713 is an apocalyptic number.

It is an amenable number.

21332676713 is a deficient number, since it is larger than the sum of its proper divisors (1).

21332676713 is an equidigital number, since it uses as much as digits as its factorization.

21332676713 is an evil number, because the sum of its binary digits is even.

The product of its digits is 190512, while the sum is 41.

The spelling of 21332676713 in words is "twenty-one billion, three hundred thirty-two million, six hundred seventy-six thousand, seven hundred thirteen".