2604340369 has 2 divisors, whose sum is σ = 2604340370. Its totient is φ = 2604340368.

The previous prime is 2604340289. The next prime is 2604340373. The reversal of 2604340369 is 9630434062.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1374926400 + 1229413969 = 37080^2 + 35063^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2604340369 is a prime.

It is a super-2 number, since 2×2604340369² = 13565177515206112322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2604340399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302170184 + 1302170185.

It is an arithmetic number, because the mean of its divisors is an integer number (1302170185).

Almost surely, 2^2604340369 is an apocalyptic number.

It is an amenable number.

2604340369 is a deficient number, since it is larger than the sum of its proper divisors (1).

2604340369 is an equidigital number, since it uses as much as digits as its factorization.

2604340369 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 37.

The square root of 2604340369 is about 51032.7382079386. The cubic root of 2604340369 is about 1375.8336091576.

The spelling of 2604340369 in words is "two billion, six hundred four million, three hundred forty thousand, three hundred sixty-nine".