10321013999 has 2 divisors, whose sum is σ = 10321014000. Its totient is φ = 10321013998.

The previous prime is 10321013981. The next prime is 10321014049. The reversal of 10321013999 is 99931012301.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 10321013999 - 2²⁰ = 10319965423 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (10321013099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5160506999 + 5160507000.

It is an arithmetic number, because the mean of its divisors is an integer number (5160507000).

Almost surely, 2^10321013999 is an apocalyptic number.

10321013999 is a deficient number, since it is larger than the sum of its proper divisors (1).

10321013999 is an equidigital number, since it uses as much as digits as its factorization.

10321013999 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13122, while the sum is 38.

The spelling of 10321013999 in words is "ten billion, three hundred twenty-one million, thirteen thousand, nine hundred ninety-nine".