2604261449 has 2 divisors, whose sum is σ = 2604261450. Its totient is φ = 2604261448.

The previous prime is 2604261427. The next prime is 2604261479. The reversal of 2604261449 is 9441624062.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2573735824 + 30525625 = 50732^2 + 5525^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2604261449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2604261409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302130724 + 1302130725.

It is an arithmetic number, because the mean of its divisors is an integer number (1302130725).

Almost surely, 2^2604261449 is an apocalyptic number.

It is an amenable number.

2604261449 is a deficient number, since it is larger than the sum of its proper divisors (1).

2604261449 is an equidigital number, since it uses as much as digits as its factorization.

2604261449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 82944, while the sum is 38.

The square root of 2604261449 is about 51031.9649729461. The cubic root of 2604261449 is about 1375.8197116033.

The spelling of 2604261449 in words is "two billion, six hundred four million, two hundred sixty-one thousand, four hundred forty-nine".