3245969609 has 2 divisors, whose sum is σ = 3245969610. Its totient is φ = 3245969608.

The previous prime is 3245969603. The next prime is 3245969611. The reversal of 3245969609 is 9069695423.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3225899209 + 20070400 = 56797^2 + 4480^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3245969609 is a prime.

It is a super-2 number, since 2×3245969609² = 21072637405103225762, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 3245969611, it forms a pair of twin primes.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (3245969603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1622984804 + 1622984805.

It is an arithmetic number, because the mean of its divisors is an integer number (1622984805).

Almost surely, 2^3245969609 is an apocalyptic number.

It is an amenable number.

3245969609 is a deficient number, since it is larger than the sum of its proper divisors (1).

3245969609 is an equidigital number, since it uses as much as digits as its factorization.

3245969609 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3149280, while the sum is 53.

The square root of 3245969609 is about 56973.4114214692. The cubic root of 3245969609 is about 1480.6354723277.

The spelling of 3245969609 in words is "three billion, two hundred forty-five million, nine hundred sixty-nine thousand, six hundred nine".