2573763653 has 2 divisors, whose sum is σ = 2573763654. Its totient is φ = 2573763652.

The previous prime is 2573763649. The next prime is 2573763719. The reversal of 2573763653 is 3563673752.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1757118724 + 816644929 = 41918^2 + 28577^2 .

It is a cyclic number.

It is not a de Polignac number, because 2573763653 - 2² = 2573763649 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2573763598 and 2573763607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2573763613) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1286881826 + 1286881827.

It is an arithmetic number, because the mean of its divisors is an integer number (1286881827).

Almost surely, 2^2573763653 is an apocalyptic number.

It is an amenable number.

2573763653 is a deficient number, since it is larger than the sum of its proper divisors (1).

2573763653 is an equidigital number, since it uses as much as digits as its factorization.

2573763653 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2381400, while the sum is 47.

The square root of 2573763653 is about 50732.2742738782. The cubic root of 2573763653 is about 1370.4279929778.

The spelling of 2573763653 in words is "two billion, five hundred seventy-three million, seven hundred sixty-three thousand, six hundred fifty-three".