68339988343 has 32 divisors (see below), whose sum is σ = 80650432512. Its totient is φ = 57260755200.

The previous prime is 68339988341. The next prime is 68339988359. The reversal of 68339988343 is 34388993386.

It is not a de Polignac number, because 68339988343 - 2¹ = 68339988341 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (68339988341) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1808721 + ... + 1846117.

It is an arithmetic number, because the mean of its divisors is an integer number (2520326016).

Almost surely, 2^68339988343 is an apocalyptic number.

68339988343 is a deficient number, since it is larger than the sum of its proper divisors (12310444169).

68339988343 is a wasteful number, since it uses less digits than its factorization.

68339988343 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37695.

The product of its digits is 80621568, while the sum is 64.

The spelling of 68339988343 in words is "sixty-eight billion, three hundred thirty-nine million, nine hundred eighty-eight thousand, three hundred forty-three".