799966493 has 2 divisors, whose sum is σ = 799966494. Its totient is φ = 799966492.

The previous prime is 799966463. The next prime is 799966499. The reversal of 799966493 is 394669997.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 499880164 + 300086329 = 22358^2 + 17323^2 .

It is a cyclic number.

It is not a de Polignac number, because 799966493 - 2⁶ = 799966429 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (799966499) 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, 399983246 + 399983247.

It is an arithmetic number, because the mean of its divisors is an integer number (399983247).

Almost surely, 2^799966493 is an apocalyptic number.

It is an amenable number.

799966493 is a deficient number, since it is larger than the sum of its proper divisors (1).

799966493 is an equidigital number, since it uses as much as digits as its factorization.

799966493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 19840464, while the sum is 62.

The square root of 799966493 is about 28283.6789155866. The cubic root of 799966493 is about 928.3048060652.

The spelling of 799966493 in words is "seven hundred ninety-nine million, nine hundred sixty-six thousand, four hundred ninety-three".