8493700139 has 2 divisors, whose sum is σ = 8493700140. Its totient is φ = 8493700138.

The previous prime is 8493700079. The next prime is 8493700211. The reversal of 8493700139 is 9310073948.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8493700139 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 8493700139.

It is not a weakly prime, because it can be changed into another prime (8493703139) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4246850069 + 4246850070.

It is an arithmetic number, because the mean of its divisors is an integer number (4246850070).

Almost surely, 2^8493700139 is an apocalyptic number.

8493700139 is a deficient number, since it is larger than the sum of its proper divisors (1).

8493700139 is an equidigital number, since it uses as much as digits as its factorization.

8493700139 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 163296, while the sum is 44.

The square root of 8493700139 is about 92161.2724467279. The cubic root of 8493700139 is about 2040.3232330154.

The spelling of 8493700139 in words is "eight billion, four hundred ninety-three million, seven hundred thousand, one hundred thirty-nine".