5256566829 has 12 divisors (see below), whose sum is σ = 7628806432. Its totient is φ = 3487768200.

The previous prime is 5256566813. The next prime is 5256566839. The reversal of 5256566829 is 9286656525.

5256566829 is a `hidden beast` number, since 5 + 2 + 56 + 566 + 8 + 29 = 666.

It is not a de Polignac number, because 5256566829 - 2⁴ = 5256566813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5256566839) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1382137 + ... + 1385934.

Almost surely, 2^5256566829 is an apocalyptic number.

It is an amenable number.

5256566829 is a deficient number, since it is larger than the sum of its proper divisors (2372239603).

5256566829 is a wasteful number, since it uses less digits than its factorization.

5256566829 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2768288 (or 2768285 counting only the distinct ones).

The product of its digits is 7776000, while the sum is 54.

The square root of 5256566829 is about 72502.1849946607. The cubic root of 5256566829 is about 1738.7376704394.

The spelling of 5256566829 in words is "five billion, two hundred fifty-six million, five hundred sixty-six thousand, eight hundred twenty-nine".