494036437 has 2 divisors, whose sum is σ = 494036438. Its totient is φ = 494036436.

The previous prime is 494036407. The next prime is 494036443. The reversal of 494036437 is 734630494.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 318765316 + 175271121 = 17854^2 + 13239^2 .

It is a cyclic number.

It is not a de Polignac number, because 494036437 - 2²⁷ = 359818709 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 494036437.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (494036407) 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, 247018218 + 247018219.

It is an arithmetic number, because the mean of its divisors is an integer number (247018219).

Almost surely, 2^494036437 is an apocalyptic number.

It is an amenable number.

494036437 is a deficient number, since it is larger than the sum of its proper divisors (1).

494036437 is an equidigital number, since it uses as much as digits as its factorization.

494036437 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 217728, while the sum is 40.

The square root of 494036437 is about 22226.9304448455. The cubic root of 494036437 is about 790.5323746926.

The spelling of 494036437 in words is "four hundred ninety-four million, thirty-six thousand, four hundred thirty-seven".