21410964599 has 2 divisors, whose sum is σ = 21410964600. Its totient is φ = 21410964598.

The previous prime is 21410964583. The next prime is 21410964637. The reversal of 21410964599 is 99546901412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21410964599 - 2⁴ = 21410964583 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21410961599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10705482299 + 10705482300.

It is an arithmetic number, because the mean of its divisors is an integer number (10705482300).

Almost surely, 2^21410964599 is an apocalyptic number.

21410964599 is a deficient number, since it is larger than the sum of its proper divisors (1).

21410964599 is an equidigital number, since it uses as much as digits as its factorization.

21410964599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 699840, while the sum is 50.

The spelling of 21410964599 in words is "twenty-one billion, four hundred ten million, nine hundred sixty-four thousand, five hundred ninety-nine".