20344341624599 has 2 divisors, whose sum is σ = 20344341624600. Its totient is φ = 20344341624598.

The previous prime is 20344341624587. The next prime is 20344341624601. The reversal of 20344341624599 is 99542614344302.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 20344341624599 - 2⁴⁴ = 2752155580183 is a prime.

It is a super-2 number, since 2×20344341624599² (a number of 27 digits) contains 22 as substring.

Together with 20344341624601, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (20344341674599) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10172170812299 + 10172170812300.

It is an arithmetic number, because the mean of its divisors is an integer number (10172170812300).

Almost surely, 2^{20344341624599} is an apocalyptic number.

20344341624599 is a deficient number, since it is larger than the sum of its proper divisors (1).

20344341624599 is an equidigital number, since it uses as much as digits as its factorization.

20344341624599 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 22394880, while the sum is 56.

The spelling of 20344341624599 in words is "twenty trillion, three hundred forty-four billion, three hundred forty-one million, six hundred twenty-four thousand, five hundred ninety-nine".