493914647 has 2 divisors, whose sum is σ = 493914648. Its totient is φ = 493914646.

The previous prime is 493914637. The next prime is 493914683. The reversal of 493914647 is 746419394.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 493914647 - 2⁸ = 493914391 is a prime.

It is a super-2 number, since 2×493914647² = 487903357042269218, which contains 22 as substring.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493914607) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246957323 + 246957324.

It is an arithmetic number, because the mean of its divisors is an integer number (246957324).

Almost surely, 2^493914647 is an apocalyptic number.

493914647 is a deficient number, since it is larger than the sum of its proper divisors (1).

493914647 is an equidigital number, since it uses as much as digits as its factorization.

493914647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 653184, while the sum is 47.

The square root of 493914647 is about 22224.1905814363. The cubic root of 493914647 is about 790.4674086002.

The spelling of 493914647 in words is "four hundred ninety-three million, nine hundred fourteen thousand, six hundred forty-seven".