493483957 has 2 divisors, whose sum is σ = 493483958. Its totient is φ = 493483956.

The previous prime is 493483937. The next prime is 493483987. The reversal of 493483957 is 759384394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 259822161 + 233661796 = 16119^2 + 15286^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493483957 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493483927) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246741978 + 246741979.

It is an arithmetic number, because the mean of its divisors is an integer number (246741979).

Almost surely, 2^493483957 is an apocalyptic number.

It is an amenable number.

493483957 is a deficient number, since it is larger than the sum of its proper divisors (1).

493483957 is an equidigital number, since it uses as much as digits as its factorization.

493483957 is an evil number, because the sum of its binary digits is even.

The product of its digits is 3265920, while the sum is 52.

The square root of 493483957 is about 22214.4988014585. The cubic root of 493483957 is about 790.2375811635.

The spelling of 493483957 in words is "four hundred ninety-three million, four hundred eighty-three thousand, nine hundred fifty-seven".