796999649 has 2 divisors, whose sum is σ = 796999650. Its totient is φ = 796999648.

The previous prime is 796999613. The next prime is 796999673. The reversal of 796999649 is 946999697.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 474150625 + 322849024 = 21775^2 + 17968^2 .

It is a cyclic number.

It is not a de Polignac number, because 796999649 - 2⁸ = 796999393 is a prime.

It is a super-2 number, since 2×796999649² = 1270416881012246402, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (796999699) 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, 398499824 + 398499825.

It is an arithmetic number, because the mean of its divisors is an integer number (398499825).

Almost surely, 2^796999649 is an apocalyptic number.

It is an amenable number.

796999649 is a deficient number, since it is larger than the sum of its proper divisors (1).

796999649 is an equidigital number, since it uses as much as digits as its factorization.

796999649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 59521392, while the sum is 68.

The square root of 796999649 is about 28231.1822104566. The cubic root of 796999649 is about 927.1557798812.

The spelling of 796999649 in words is "seven hundred ninety-six million, nine hundred ninety-nine thousand, six hundred forty-nine".