68494499083 has 2 divisors, whose sum is σ = 68494499084. Its totient is φ = 68494499082.

The previous prime is 68494499053. The next prime is 68494499089. The reversal of 68494499083 is 38099449486.

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-68494499083 is a prime.

It is not a weakly prime, because it can be changed into another prime (68494499089) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34247249541 + 34247249542.

It is an arithmetic number, because the mean of its divisors is an integer number (34247249542).

Almost surely, 2^68494499083 is an apocalyptic number.

68494499083 is a deficient number, since it is larger than the sum of its proper divisors (1).

68494499083 is an equidigital number, since it uses as much as digits as its factorization.

68494499083 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53747712, while the sum is 64.

The spelling of 68494499083 in words is "sixty-eight billion, four hundred ninety-four million, four hundred ninety-nine thousand, eighty-three".