13420953599 has 2 divisors, whose sum is σ = 13420953600. Its totient is φ = 13420953598.

The previous prime is 13420953521. The next prime is 13420953607. The reversal of 13420953599 is 99535902431.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13420953599 is a prime.

It is a super-2 number, since 2×13420953599² (a number of 21 digits) contains 22 as substring.

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 (13420952599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6710476799 + 6710476800.

It is an arithmetic number, because the mean of its divisors is an integer number (6710476800).

Almost surely, 2^13420953599 is an apocalyptic number.

13420953599 is a deficient number, since it is larger than the sum of its proper divisors (1).

13420953599 is an equidigital number, since it uses as much as digits as its factorization.

13420953599 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1312200, while the sum is 50.

The spelling of 13420953599 in words is "thirteen billion, four hundred twenty million, nine hundred fifty-three thousand, five hundred ninety-nine".