68314314402709 has 8 divisors (see below), whose sum is σ = 69778586835000. Its totient is φ = 66856535418816.

The previous prime is 68314314402703. The next prime is 68314314402713. The reversal of 68314314402709 is 90720441341386.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 33934737574609 + 34379576828100 = 5825353^2 + 5863410^2 .

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 68314314402709 - 2³³ = 68305724468117 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68314314402703) 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, 1623340834 + ... + 1623382915.

It is an arithmetic number, because the mean of its divisors is an integer number (8722323354375).

Almost surely, 2^{68314314402709} is an apocalyptic number.

It is an amenable number.

68314314402709 is a deficient number, since it is larger than the sum of its proper divisors (1464272432291).

68314314402709 is a wasteful number, since it uses less digits than its factorization.

68314314402709 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3246724199.

The product of its (nonzero) digits is 3483648, while the sum is 52.

The spelling of 68314314402709 in words is "sixty-eight trillion, three hundred fourteen billion, three hundred fourteen million, four hundred two thousand, seven hundred nine".