3097812989 has 2 divisors, whose sum is σ = 3097812990. Its totient is φ = 3097812988.

The previous prime is 3097812941. The next prime is 3097813007. The reversal of 3097812989 is 9892187903.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3097812964 + 25 = 55658^2 + 5^2 .

It is a cyclic number.

It is not a de Polignac number, because 3097812989 - 2¹² = 3097808893 is a prime.

It is a super-2 number, since 2×3097812989² = 19192890629634228242, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3297812989) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1548906494 + 1548906495.

It is an arithmetic number, because the mean of its divisors is an integer number (1548906495).

Almost surely, 2^3097812989 is an apocalyptic number.

It is an amenable number.

3097812989 is a deficient number, since it is larger than the sum of its proper divisors (1).

3097812989 is an equidigital number, since it uses as much as digits as its factorization.

3097812989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1959552, while the sum is 56.

The square root of 3097812989 is about 55658.0002245859. Note that the first 3 decimals coincide. The cubic root of 3097812989 is about 1457.7567648202.

The spelling of 3097812989 in words is "three billion, ninety-seven million, eight hundred twelve thousand, nine hundred eighty-nine".