21352013339 has 2 divisors, whose sum is σ = 21352013340. Its totient is φ = 21352013338.

The previous prime is 21352013327. The next prime is 21352013383. The reversal of 21352013339 is 93331025312.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 21352013339 - 2⁸ = 21352013083 is a prime.

It is not a weakly prime, because it can be changed into another prime (21352013939) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10676006669 + 10676006670.

It is an arithmetic number, because the mean of its divisors is an integer number (10676006670).

Almost surely, 2^21352013339 is an apocalyptic number.

21352013339 is a deficient number, since it is larger than the sum of its proper divisors (1).

21352013339 is an equidigital number, since it uses as much as digits as its factorization.

21352013339 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 14580, while the sum is 32.

The spelling of 21352013339 in words is "twenty-one billion, three hundred fifty-two million, thirteen thousand, three hundred thirty-nine".