2573763649 has 2 divisors, whose sum is σ = 2573763650. Its totient is φ = 2573763648.

The previous prime is 2573763629. The next prime is 2573763653. The reversal of 2573763649 is 9463673752.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2073436225 + 500327424 = 45535^2 + 22368^2 .

It is a cyclic number.

It is not a de Polignac number, because 2573763649 - 2¹⁵ = 2573730881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2573763596 and 2573763605.

It is not a weakly prime, because it can be changed into another prime (2573763629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286881824 + 1286881825.

It is an arithmetic number, because the mean of its divisors is an integer number (1286881825).

Almost surely, 2^2573763649 is an apocalyptic number.

It is an amenable number.

2573763649 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573763649 is an equidigital number, since it uses as much as digits as its factorization.

2573763649 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5715360, while the sum is 52.

The square root of 2573763649 is about 50732.2742344555. The cubic root of 2573763649 is about 1370.4279922678.

The spelling of 2573763649 in words is "two billion, five hundred seventy-three million, seven hundred sixty-three thousand, six hundred forty-nine".