67850908313 has 4 divisors (see below), whose sum is σ = 68012074788. Its totient is φ = 67689741840.

The previous prime is 67850908261. The next prime is 67850908327. The reversal of 67850908313 is 31380905876.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 33179351104 + 34671557209 = 182152^2 + 186203^2 .

It is a cyclic number.

It is not a de Polignac number, because 67850908313 - 2⁸ = 67850908057 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67850908393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 80582606 + ... + 80583447.

It is an arithmetic number, because the mean of its divisors is an integer number (17003018697).

Almost surely, 2^67850908313 is an apocalyptic number.

It is an amenable number.

67850908313 is a deficient number, since it is larger than the sum of its proper divisors (161166475).

67850908313 is a wasteful number, since it uses less digits than its factorization.

67850908313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161166474.

The product of its (nonzero) digits is 1088640, while the sum is 50.

The spelling of 67850908313 in words is "sixty-seven billion, eight hundred fifty million, nine hundred eight thousand, three hundred thirteen".