2505344993 has 2 divisors, whose sum is σ = 2505344994. Its totient is φ = 2505344992.

The previous prime is 2505344987. The next prime is 2505345019. The reversal of 2505344993 is 3994435052.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1731225664 + 774119329 = 41608^2 + 27823^2 .

It is a cyclic number.

It is not a de Polignac number, because 2505344993 - 2⁴ = 2505344977 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (2505344903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1252672496 + 1252672497.

It is an arithmetic number, because the mean of its divisors is an integer number (1252672497).

Almost surely, 2^2505344993 is an apocalyptic number.

It is an amenable number.

2505344993 is a deficient number, since it is larger than the sum of its proper divisors (1).

2505344993 is an equidigital number, since it uses as much as digits as its factorization.

2505344993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 583200, while the sum is 44.

The square root of 2505344993 is about 50053.4213915492. The cubic root of 2505344993 is about 1358.1753560096.

The spelling of 2505344993 in words is "two billion, five hundred five million, three hundred forty-four thousand, nine hundred ninety-three".