490740793 has 2 divisors, whose sum is σ = 490740794. Its totient is φ = 490740792.

The previous prime is 490740779. The next prime is 490740799. The reversal of 490740793 is 397047094.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 480837184 + 9903609 = 21928^2 + 3147^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-490740793 is a prime.

It is not a weakly prime, because it can be changed into another prime (490740799) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 245370396 + 245370397.

It is an arithmetic number, because the mean of its divisors is an integer number (245370397).

Almost surely, 2^490740793 is an apocalyptic number.

It is an amenable number.

490740793 is a deficient number, since it is larger than the sum of its proper divisors (1).

490740793 is an equidigital number, since it uses as much as digits as its factorization.

490740793 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 190512, while the sum is 43.

The square root of 490740793 is about 22152.6701099439. The cubic root of 490740793 is about 788.7706098594.

The spelling of 490740793 in words is "four hundred ninety million, seven hundred forty thousand, seven hundred ninety-three".