493381013 has 2 divisors, whose sum is σ = 493381014. Its totient is φ = 493381012.

The previous prime is 493380989. The next prime is 493381039. The reversal of 493381013 is 310183394.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 340660849 + 152720164 = 18457^2 + 12358^2 .

It is a cyclic number.

It is not a de Polignac number, because 493381013 - 2²⁰ = 492332437 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 (493371013) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 246690506 + 246690507.

It is an arithmetic number, because the mean of its divisors is an integer number (246690507).

Almost surely, 2^493381013 is an apocalyptic number.

It is an amenable number.

493381013 is a deficient number, since it is larger than the sum of its proper divisors (1).

493381013 is an equidigital number, since it uses as much as digits as its factorization.

493381013 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 7776, while the sum is 32.

The square root of 493381013 is about 22212.1816353099. The cubic root of 493381013 is about 790.1826277560.

The spelling of 493381013 in words is "four hundred ninety-three million, three hundred eighty-one thousand, thirteen".