94495492139 has 2 divisors, whose sum is σ = 94495492140. Its totient is φ = 94495492138.

The previous prime is 94495492097. The next prime is 94495492193. The reversal of 94495492139 is 93129459449.

Together with next prime (94495492193) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-94495492139 is a prime.

It is not a weakly prime, because it can be changed into another prime (94495492199) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 47247746069 + 47247746070.

It is an arithmetic number, because the mean of its divisors is an integer number (47247746070).

Almost surely, 2^94495492139 is an apocalyptic number.

94495492139 is a deficient number, since it is larger than the sum of its proper divisors (1).

94495492139 is an equidigital number, since it uses as much as digits as its factorization.

94495492139 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 12597120, while the sum is 59.

The spelling of 94495492139 in words is "ninety-four billion, four hundred ninety-five million, four hundred ninety-two thousand, one hundred thirty-nine".