68564222599 has 2 divisors, whose sum is σ = 68564222600. Its totient is φ = 68564222598.

The previous prime is 68564222539. The next prime is 68564222603. The reversal of 68564222599 is 99522246586.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68564222599 - 2¹⁷ = 68564091527 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68564222509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34282111299 + 34282111300.

It is an arithmetic number, because the mean of its divisors is an integer number (34282111300).

Almost surely, 2^68564222599 is an apocalyptic number.

68564222599 is a deficient number, since it is larger than the sum of its proper divisors (1).

68564222599 is an equidigital number, since it uses as much as digits as its factorization.

68564222599 is an evil number, because the sum of its binary digits is even.

The product of its digits is 18662400, while the sum is 58.

The spelling of 68564222599 in words is "sixty-eight billion, five hundred sixty-four million, two hundred twenty-two thousand, five hundred ninety-nine".