493602139 has 2 divisors, whose sum is σ = 493602140. Its totient is φ = 493602138.

The previous prime is 493602113. The next prime is 493602143. The reversal of 493602139 is 931206394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493602139 - 2¹⁷ = 493471067 is a prime.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 493602098 and 493602107.

It is not a weakly prime, because it can be changed into another prime (493602169) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246801069 + 246801070.

It is an arithmetic number, because the mean of its divisors is an integer number (246801070).

Almost surely, 2^493602139 is an apocalyptic number.

493602139 is a deficient number, since it is larger than the sum of its proper divisors (1).

493602139 is an equidigital number, since it uses as much as digits as its factorization.

493602139 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 493602139 is about 22217.1586617191. The cubic root of 493602139 is about 790.3006594745.

The spelling of 493602139 in words is "four hundred ninety-three million, six hundred two thousand, one hundred thirty-nine".