68995499 has 2 divisors, whose sum is σ = 68995500. Its totient is φ = 68995498.

The previous prime is 68995447. The next prime is 68995501. The reversal of 68995499 is 99459986.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 68995499 - 2¹⁶ = 68929963 is a prime.

Together with 68995501, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68995799) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34497749 + 34497750.

It is an arithmetic number, because the mean of its divisors is an integer number (34497750).

Almost surely, 2^68995499 is an apocalyptic number.

68995499 is a deficient number, since it is larger than the sum of its proper divisors (1).

68995499 is an equidigital number, since it uses as much as digits as its factorization.

68995499 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6298560, while the sum is 59.

The square root of 68995499 is about 8306.3529301373. The cubic root of 68995499 is about 410.1476743472.

The spelling of 68995499 in words is "sixty-eight million, nine hundred ninety-five thousand, four hundred ninety-nine".