2553344993 has 2 divisors, whose sum is σ = 2553344994. Its totient is φ = 2553344992.

The previous prime is 2553344953. The next prime is 2553345037. The reversal of 2553344993 is 3994433552.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1872552529 + 680792464 = 43273^2 + 26092^2 .

It is a cyclic number.

It is not a de Polignac number, because 2553344993 - 2⁶ = 2553344929 is a prime.

It is not a weakly prime, because it can be changed into another prime (2553344953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1276672496 + 1276672497.

It is an arithmetic number, because the mean of its divisors is an integer number (1276672497).

Almost surely, 2^2553344993 is an apocalyptic number.

It is an amenable number.

2553344993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2553344993 is an equidigital number, since it uses as much as digits as its factorization.

2553344993 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1749600, while the sum is 47.

The square root of 2553344993 is about 50530.6342034216. The cubic root of 2553344993 is about 1366.7943222089.

The spelling of 2553344993 in words is "two billion, five hundred fifty-three million, three hundred forty-four thousand, nine hundred ninety-three".