21410271199 has 2 divisors, whose sum is σ = 21410271200. Its totient is φ = 21410271198.

The previous prime is 21410271187. The next prime is 21410271221. The reversal of 21410271199 is 99117201412.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21410271199 - 2⁵ = 21410271167 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (21410272199) 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 as a sum of consecutive naturals, namely, 10705135599 + 10705135600.

It is an arithmetic number, because the mean of its divisors is an integer number (10705135600).

Almost surely, 2^21410271199 is an apocalyptic number.

21410271199 is a deficient number, since it is larger than the sum of its proper divisors (1).

21410271199 is an equidigital number, since it uses as much as digits as its factorization.

21410271199 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9072, while the sum is 37.

The spelling of 21410271199 in words is "twenty-one billion, four hundred ten million, two hundred seventy-one thousand, one hundred ninety-nine".