798493609 has 2 divisors, whose sum is σ = 798493610. Its totient is φ = 798493608.

The previous prime is 798493571. The next prime is 798493649. The reversal of 798493609 is 906394897.

798493609 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 487747225 + 310746384 = 22085^2 + 17628^2 .

It is a cyclic number.

It is not a de Polignac number, because 798493609 - 2¹³ = 798485417 is a prime.

It is a super-2 number, since 2×798493609² = 1275184087227689762, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 798493609.

It is not a weakly prime, because it can be changed into another prime (798493649) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399246804 + 399246805.

It is an arithmetic number, because the mean of its divisors is an integer number (399246805).

Almost surely, 2^798493609 is an apocalyptic number.

It is an amenable number.

798493609 is a deficient number, since it is larger than the sum of its proper divisors (1).

798493609 is an equidigital number, since it uses as much as digits as its factorization.

798493609 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2939328, while the sum is 55.

The square root of 798493609 is about 28257.6292176113. The cubic root of 798493609 is about 927.7347299817.

The spelling of 798493609 in words is "seven hundred ninety-eight million, four hundred ninety-three thousand, six hundred nine".