2555349617 has 2 divisors, whose sum is σ = 2555349618. Its totient is φ = 2555349616.

The previous prime is 2555349613. The next prime is 2555349659. The reversal of 2555349617 is 7169435552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2389352161 + 165997456 = 48881^2 + 12884^2 .

It is a cyclic number.

It is not a de Polignac number, because 2555349617 - 2² = 2555349613 is a prime.

It is not a weakly prime, because it can be changed into another prime (2555349613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1277674808 + 1277674809.

It is an arithmetic number, because the mean of its divisors is an integer number (1277674809).

Almost surely, 2^2555349617 is an apocalyptic number.

It is an amenable number.

2555349617 is a deficient number, since it is larger than the sum of its proper divisors (1).

2555349617 is an equidigital number, since it uses as much as digits as its factorization.

2555349617 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1134000, while the sum is 47.

The square root of 2555349617 is about 50550.4660413730. The cubic root of 2555349617 is about 1367.1519174405.

The spelling of 2555349617 in words is "two billion, five hundred fifty-five million, three hundred forty-nine thousand, six hundred seventeen".