67495750139 has 4 divisors (see below), whose sum is σ = 67497981024. Its totient is φ = 67493519256.

The previous prime is 67495750117. The next prime is 67495750151. The reversal of 67495750139 is 93105759476.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-67495750139 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (67495750109) 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, 1069427 + ... + 1130780.

It is an arithmetic number, because the mean of its divisors is an integer number (16874495256).

Almost surely, 2^67495750139 is an apocalyptic number.

67495750139 is a deficient number, since it is larger than the sum of its proper divisors (2230885).

67495750139 is a wasteful number, since it uses less digits than its factorization.

67495750139 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2230884.

The product of its (nonzero) digits is 7144200, while the sum is 56.

The spelling of 67495750139 in words is "sixty-seven billion, four hundred ninety-five million, seven hundred fifty thousand, one hundred thirty-nine".