68448433499 has 2 divisors, whose sum is σ = 68448433500. Its totient is φ = 68448433498.

The previous prime is 68448433477. The next prime is 68448433507. The reversal of 68448433499 is 99433484486.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68448433499 - 2¹⁶ = 68448367963 is a prime.

It is a Sophie Germain prime.

It is not a weakly prime, because it can be changed into another prime (68448433199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34224216749 + 34224216750.

It is an arithmetic number, because the mean of its divisors is an integer number (34224216750).

Almost surely, 2^68448433499 is an apocalyptic number.

68448433499 is a deficient number, since it is larger than the sum of its proper divisors (1).

68448433499 is an equidigital number, since it uses as much as digits as its factorization.

68448433499 is an evil number, because the sum of its binary digits is even.

The product of its digits is 71663616, while the sum is 62.

The spelling of 68448433499 in words is "sixty-eight billion, four hundred forty-eight million, four hundred thirty-three thousand, four hundred ninety-nine".