493696237 has 2 divisors, whose sum is σ = 493696238. Its totient is φ = 493696236.

The previous prime is 493696223. The next prime is 493696279. The reversal of 493696237 is 732696394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 423906921 + 69789316 = 20589^2 + 8354^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493696237 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493699237) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246848118 + 246848119.

It is an arithmetic number, because the mean of its divisors is an integer number (246848119).

Almost surely, 2^493696237 is an apocalyptic number.

It is an amenable number.

493696237 is a deficient number, since it is larger than the sum of its proper divisors (1).

493696237 is an equidigital number, since it uses as much as digits as its factorization.

493696237 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1469664, while the sum is 49.

The square root of 493696237 is about 22219.2762483390. The cubic root of 493696237 is about 790.3508760224.

The spelling of 493696237 in words is "four hundred ninety-three million, six hundred ninety-six thousand, two hundred thirty-seven".