245342323421599 has 2 divisors, whose sum is σ = 245342323421600. Its totient is φ = 245342323421598.

The previous prime is 245342323421473. The next prime is 245342323421609. The reversal of 245342323421599 is 995124323243542.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 245342323421599 - 2¹¹ = 245342323419551 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (245342323427599) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 122671161710799 + 122671161710800.

It is an arithmetic number, because the mean of its divisors is an integer number (122671161710800).

Almost surely, 2^{245342323421599} is an apocalyptic number.

245342323421599 is a deficient number, since it is larger than the sum of its proper divisors (1).

245342323421599 is an equidigital number, since it uses as much as digits as its factorization.

245342323421599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 55987200, while the sum is 58.

The spelling of 245342323421599 in words is "two hundred forty-five trillion, three hundred forty-two billion, three hundred twenty-three million, four hundred twenty-one thousand, five hundred ninety-nine".