68499419 has 2 divisors, whose sum is σ = 68499420. Its totient is φ = 68499418.

The previous prime is 68499391. The next prime is 68499439. The reversal of 68499419 is 91499486.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-68499419 is a prime.

It is a super-2 number, since 2×68499419² = 9384340806675122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (68499439) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34249709 + 34249710.

It is an arithmetic number, because the mean of its divisors is an integer number (34249710).

Almost surely, 2^68499419 is an apocalyptic number.

68499419 is a deficient number, since it is larger than the sum of its proper divisors (1).

68499419 is an equidigital number, since it uses as much as digits as its factorization.

68499419 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 50.

The square root of 68499419 is about 8276.4375790554. The cubic root of 68499419 is about 409.1623170358.

The spelling of 68499419 in words is "sixty-eight million, four hundred ninety-nine thousand, four hundred nineteen".