68423894599 has 2 divisors, whose sum is σ = 68423894600. Its totient is φ = 68423894598.

The previous prime is 68423894579. The next prime is 68423894611. The reversal of 68423894599 is 99549832486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68423894599 - 2⁹ = 68423894087 is a prime.

It is a super-2 number, since 2×68423894599² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (68423894509) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34211947299 + 34211947300.

It is an arithmetic number, because the mean of its divisors is an integer number (34211947300).

Almost surely, 2^68423894599 is an apocalyptic number.

68423894599 is a deficient number, since it is larger than the sum of its proper divisors (1).

68423894599 is an equidigital number, since it uses as much as digits as its factorization.

68423894599 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 134369280, while the sum is 67.

The spelling of 68423894599 in words is "sixty-eight billion, four hundred twenty-three million, eight hundred ninety-four thousand, five hundred ninety-nine".