2604504349 has 2 divisors, whose sum is σ = 2604504350. Its totient is φ = 2604504348.

The previous prime is 2604504347. The next prime is 2604504391. The reversal of 2604504349 is 9434054062.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2052724249 + 551780100 = 45307^2 + 23490^2 .

It is a cyclic number.

It is not a de Polignac number, because 2604504349 - 2¹ = 2604504347 is a prime.

Together with 2604504347, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2604504347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1302252174 + 1302252175.

It is an arithmetic number, because the mean of its divisors is an integer number (1302252175).

Almost surely, 2^2604504349 is an apocalyptic number.

It is an amenable number.

2604504349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2604504349 is an equidigital number, since it uses as much as digits as its factorization.

2604504349 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 2604504349 is about 51034.3447983806. The cubic root of 2604504349 is about 1375.8624846025.

The spelling of 2604504349 in words is "two billion, six hundred four million, five hundred four thousand, three hundred forty-nine".