3091026409 has 9 divisors (see below), whose sum is σ = 3153454213. Its totient is φ = 3029814112.

The previous prime is 3091026401. The next prime is 3091026427. The reversal of 3091026409 is 9046201903.

The square root of 3091026409 is 55597.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in 4 ways, for example, as 1295640025 + 1795386384 = 35995^2 + 42372^2 .

It is not a de Polignac number, because 3091026409 - 2³ = 3091026401 is a prime.

It is a super-2 number, since 2×3091026409² = 19108888522270870562, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3091026401) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 2946117 + ... + 2947165.

Almost surely, 2^3091026409 is an apocalyptic number.

3091026409 is the 55597-th square number.

3091026409 is the 27799-th centered octagonal number.

It is an amenable number.

3091026409 is a deficient number, since it is larger than the sum of its proper divisors (62427804).

3091026409 is an frugal number, since it uses more digits than its factorization.

3091026409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2204 (or 1102 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 34.

The cubic root of 3091026409 is about 1456.6914523679.

Multiplying 3091026409 by its product of nonzero digits (11664), we get a square (36053732034576 = 6004476²).

The spelling of 3091026409 in words is "three billion, ninety-one million, twenty-six thousand, four hundred nine".