2566969453 has 2 divisors, whose sum is σ = 2566969454. Its totient is φ = 2566969452.

The previous prime is 2566969381. The next prime is 2566969499. The reversal of 2566969453 is 3549696652.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2564713449 + 2256004 = 50643^2 + 1502^2 .

It is a cyclic number.

It is not a de Polignac number, because 2566969453 - 2²⁹ = 2030098541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2566969394 and 2566969403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2566960453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1283484726 + 1283484727.

It is an arithmetic number, because the mean of its divisors is an integer number (1283484727).

Almost surely, 2^2566969453 is an apocalyptic number.

It is an amenable number.

2566969453 is a deficient number, since it is larger than the sum of its proper divisors (1).

2566969453 is an equidigital number, since it uses as much as digits as its factorization.

2566969453 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10497600, while the sum is 55.

The square root of 2566969453 is about 50665.2687054949. The cubic root of 2566969453 is about 1369.2210488339.

The spelling of 2566969453 in words is "two billion, five hundred sixty-six million, nine hundred sixty-nine thousand, four hundred fifty-three".