799510681 has 2 divisors, whose sum is σ = 799510682. Its totient is φ = 799510680.

The previous prime is 799510669. The next prime is 799510693. The reversal of 799510681 is 186015997.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (799510669) and next prime (799510693).

It can be written as a sum of positive squares in only one way, i.e., 496576656 + 302934025 = 22284^2 + 17405^2 .

It is a cyclic number.

It is not a de Polignac number, because 799510681 - 2⁹ = 799510169 is a prime.

It is a super-2 number, since 2×799510681² = 1278434658066167522, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (799510631) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399755340 + 399755341.

It is an arithmetic number, because the mean of its divisors is an integer number (399755341).

Almost surely, 2^799510681 is an apocalyptic number.

It is an amenable number.

799510681 is a deficient number, since it is larger than the sum of its proper divisors (1).

799510681 is an equidigital number, since it uses as much as digits as its factorization.

799510681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 136080, while the sum is 46.

The square root of 799510681 is about 28275.6199047872. The cubic root of 799510681 is about 928.1284599870.

The spelling of 799510681 in words is "seven hundred ninety-nine million, five hundred ten thousand, six hundred eighty-one".