67839012346 has 64 divisors (see below), whose sum is σ = 130765259520. Its totient is φ = 25693839360.

The previous prime is 67839012343. The next prime is 67839012361. The reversal of 67839012346 is 64321093876.

It is a self number, because there is not a number n which added to its sum of digits gives 67839012346.

It is not an unprimeable number, because it can be changed into a prime (67839012343) 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, 444606 + ... + 577366.

It is an arithmetic number, because the mean of its divisors is an integer number (2043207180).

Almost surely, 2^67839012346 is an apocalyptic number.

67839012346 is a deficient number, since it is larger than the sum of its proper divisors (62926247174).

67839012346 is a wasteful number, since it uses less digits than its factorization.

67839012346 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 132919.

The product of its (nonzero) digits is 1306368, while the sum is 49.

The spelling of 67839012346 in words is "sixty-seven billion, eight hundred thirty-nine million, twelve thousand, three hundred forty-six".