493508429 has 2 divisors, whose sum is σ = 493508430. Its totient is φ = 493508428.

The previous prime is 493508423. The next prime is 493508441. The reversal of 493508429 is 924805394.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 470803204 + 22705225 = 21698^2 + 4765^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-493508429 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 493508429.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (493508423) 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, 246754214 + 246754215.

It is an arithmetic number, because the mean of its divisors is an integer number (246754215).

Almost surely, 2^493508429 is an apocalyptic number.

It is an amenable number.

493508429 is a deficient number, since it is larger than the sum of its proper divisors (1).

493508429 is an equidigital number, since it uses as much as digits as its factorization.

493508429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 311040, while the sum is 44.

The square root of 493508429 is about 22215.0496060666. The cubic root of 493508429 is about 790.2506436445.

The spelling of 493508429 in words is "four hundred ninety-three million, five hundred eight thousand, four hundred twenty-nine".