68313259413 has 40 divisors (see below), whose sum is σ = 117342175808. Its totient is φ = 38796610176.

The previous prime is 68313259409. The next prime is 68313259549. The reversal of 68313259413 is 31495231386.

It is not a de Polignac number, because 68313259413 - 2² = 68313259409 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68313259403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 277156 + ... + 461997.

Almost surely, 2^68313259413 is an apocalyptic number.

68313259413 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

68313259413 is a deficient number, since it is larger than the sum of its proper divisors (49028916395).

68313259413 is a wasteful number, since it uses less digits than its factorization.

68313259413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 739335 (or 739326 counting only the distinct ones).

The product of its digits is 466560, while the sum is 45.

The spelling of 68313259413 in words is "sixty-eight billion, three hundred thirteen million, two hundred fifty-nine thousand, four hundred thirteen".