68173410399 has 8 divisors (see below), whose sum is σ = 91188290352. Its totient is φ = 45303735360.

The previous prime is 68173410397. The next prime is 68173410419. The reversal of 68173410399 is 99301437186.

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

It is not a de Polignac number, because 68173410399 - 2¹ = 68173410397 is a prime.

It is a super-2 number, since 2×68173410399² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68173410391) 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, 36300132 + ... + 36302009.

It is an arithmetic number, because the mean of its divisors is an integer number (11398536294).

Almost surely, 2^68173410399 is an apocalyptic number.

68173410399 is a deficient number, since it is larger than the sum of its proper divisors (23014879953).

68173410399 is a wasteful number, since it uses less digits than its factorization.

68173410399 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72602457.

The product of its (nonzero) digits is 979776, while the sum is 51.

The spelling of 68173410399 in words is "sixty-eight billion, one hundred seventy-three million, four hundred ten thousand, three hundred ninety-nine".