798424874449 has 2 divisors, whose sum is σ = 798424874450. Its totient is φ = 798424874448.

The previous prime is 798424874417. The next prime is 798424874537. The reversal of 798424874449 is 944478424897.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 565842450625 + 232582423824 = 752225^2 + 482268^2 .

It is a cyclic number.

It is not a de Polignac number, because 798424874449 - 2⁵ = 798424874417 is a prime.

It is not a weakly prime, because it can be changed into another prime (798424871449) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 399212437224 + 399212437225.

It is an arithmetic number, because the mean of its divisors is an integer number (399212437225).

Almost surely, 2^798424874449 is an apocalyptic number.

It is an amenable number.

798424874449 is a deficient number, since it is larger than the sum of its proper divisors (1).

798424874449 is an equidigital number, since it uses as much as digits as its factorization.

798424874449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 520224768, while the sum is 70.

The spelling of 798424874449 in words is "seven hundred ninety-eight billion, four hundred twenty-four million, eight hundred seventy-four thousand, four hundred forty-nine".