798313149 has 12 divisors (see below), whose sum is σ = 1220949756. Its totient is φ = 500902272.

The previous prime is 798313123. The next prime is 798313157. The reversal of 798313149 is 941313897.

It can be written as a sum of positive squares in 2 ways, for example, as 232349049 + 565964100 = 15243^2 + 23790^2 .

It is not a de Polignac number, because 798313149 - 2⁹ = 798312637 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (798313849) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2608714 + ... + 2609019.

It is an arithmetic number, because the mean of its divisors is an integer number (101745813).

Almost surely, 2^798313149 is an apocalyptic number.

It is an amenable number.

798313149 is a deficient number, since it is larger than the sum of its proper divisors (422636607).

798313149 is a wasteful number, since it uses less digits than its factorization.

798313149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5217756 (or 5217753 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 798313149 is about 28254.4359172148. The cubic root of 798313149 is about 927.6648351942.

The spelling of 798313149 in words is "seven hundred ninety-eight million, three hundred thirteen thousand, one hundred forty-nine".