13321010099993 has 2 divisors, whose sum is σ = 13321010099994. Its totient is φ = 13321010099992.

The previous prime is 13321010099983. The next prime is 13321010100019. The reversal of 13321010099993 is 39999001012331.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 10072930268944 + 3248079831049 = 3173788^2 + 1802243^2 .

It is a cyclic number.

It is not a de Polignac number, because 13321010099993 - 2³⁴ = 13303830230809 is a prime.

It is not a weakly prime, because it can be changed into another prime (13321010099983) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6660505049996 + 6660505049997.

It is an arithmetic number, because the mean of its divisors is an integer number (6660505049997).

Almost surely, 2^{13321010099993} is an apocalyptic number.

It is an amenable number.

13321010099993 is a deficient number, since it is larger than the sum of its proper divisors (1).

13321010099993 is an equidigital number, since it uses as much as digits as its factorization.

13321010099993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 354294, while the sum is 50.

The spelling of 13321010099993 in words is "thirteen trillion, three hundred twenty-one billion, ten million, ninety-nine thousand, nine hundred ninety-three".