493620971 has 2 divisors, whose sum is σ = 493620972. Its totient is φ = 493620970.

The previous prime is 493620949. The next prime is 493620979. The reversal of 493620971 is 179026394.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 493620971 - 2¹⁰ = 493619947 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (493620979) 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, 246810485 + 246810486.

It is an arithmetic number, because the mean of its divisors is an integer number (246810486).

Almost surely, 2^493620971 is an apocalyptic number.

493620971 is a deficient number, since it is larger than the sum of its proper divisors (1).

493620971 is an equidigital number, since it uses as much as digits as its factorization.

493620971 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 81648, while the sum is 41.

The square root of 493620971 is about 22217.5824742477. The cubic root of 493620971 is about 790.3107099122.

The spelling of 493620971 in words is "four hundred ninety-three million, six hundred twenty thousand, nine hundred seventy-one".