68513433319 has 8 divisors (see below), whose sum is σ = 69544742400. Its totient is φ = 67482380856.

The previous prime is 68513433311. The next prime is 68513433323. The reversal of 68513433319 is 91333431586.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 68513433319 - 2³ = 68513433311 is a prime.

It is a super-2 number, since 2×68513433319² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68513433311) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 512532 + ... + 632230.

It is an arithmetic number, because the mean of its divisors is an integer number (8693092800).

Almost surely, 2^68513433319 is an apocalyptic number.

68513433319 is a deficient number, since it is larger than the sum of its proper divisors (1031309081).

68513433319 is a wasteful number, since it uses less digits than its factorization.

68513433319 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 128309.

The product of its digits is 699840, while the sum is 46.

The spelling of 68513433319 in words is "sixty-eight billion, five hundred thirteen million, four hundred thirty-three thousand, three hundred nineteen".