790070009 has 2 divisors, whose sum is σ = 790070010. Its totient is φ = 790070008.

The previous prime is 790069981. The next prime is 790070051. The reversal of 790070009 is 900070097.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 743761984 + 46308025 = 27272^2 + 6805^2 .

It is an emirp because it is prime and its reverse (900070097) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 790070009 - 2²⁰ = 789021433 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (790070069) 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, 395035004 + 395035005.

It is an arithmetic number, because the mean of its divisors is an integer number (395035005).

Almost surely, 2^790070009 is an apocalyptic number.

It is an amenable number.

790070009 is a deficient number, since it is larger than the sum of its proper divisors (1).

790070009 is an equidigital number, since it uses as much as digits as its factorization.

790070009 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3969, while the sum is 32.

The square root of 790070009 is about 28108.1840217400. The cubic root of 790070009 is about 924.4608531860.

The spelling of 790070009 in words is "seven hundred ninety million, seventy thousand, nine".