791869149 has 16 divisors (see below), whose sum is σ = 1193025600. Its totient is φ = 518964048.

The previous prime is 791869147. The next prime is 791869151. The reversal of 791869149 is 941968197.

It is an interprime number because it is at equal distance from previous prime (791869147) and next prime (791869151).

It is not a de Polignac number, because 791869149 - 2¹ = 791869147 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 791869095 and 791869104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (791869147) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 246954 + ... + 250139.

It is an arithmetic number, because the mean of its divisors is an integer number (74564100).

Almost surely, 2^791869149 is an apocalyptic number.

It is an amenable number.

791869149 is a deficient number, since it is larger than the sum of its proper divisors (401156451).

791869149 is a wasteful number, since it uses less digits than its factorization.

791869149 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 497161 (or 497155 counting only the distinct ones).

The product of its digits is 979776, while the sum is 54.

The square root of 791869149 is about 28140.1696689981. The cubic root of 791869149 is about 925.1620457278.

The spelling of 791869149 in words is "seven hundred ninety-one million, eight hundred sixty-nine thousand, one hundred forty-nine".