798226372609 has 2 divisors, whose sum is σ = 798226372610. Its totient is φ = 798226372608.

The previous prime is 798226372607. The next prime is 798226372633. The reversal of 798226372609 is 906273622897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 760956139584 + 37270233025 = 872328^2 + 193055^2 .

It is a cyclic number.

It is not a de Polignac number, because 798226372609 - 2¹ = 798226372607 is a prime.

Together with 798226372607, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (798226372607) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399113186304 + 399113186305.

It is an arithmetic number, because the mean of its divisors is an integer number (399113186305).

Almost surely, 2^798226372609 is an apocalyptic number.

It is an amenable number.

798226372609 is a deficient number, since it is larger than the sum of its proper divisors (1).

798226372609 is an equidigital number, since it uses as much as digits as its factorization.

798226372609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27433728, while the sum is 61.

The spelling of 798226372609 in words is "seven hundred ninety-eight billion, two hundred twenty-six million, three hundred seventy-two thousand, six hundred nine".