2256660829 has 2 divisors, whose sum is σ = 2256660830. Its totient is φ = 2256660828.

The previous prime is 2256660823. The next prime is 2256660853. The reversal of 2256660829 is 9280666522.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1317544804 + 939116025 = 36298^2 + 30645^2 .

It is a cyclic number.

It is not a de Polignac number, because 2256660829 - 2²⁵ = 2223106397 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2256660823) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1128330414 + 1128330415.

It is an arithmetic number, because the mean of its divisors is an integer number (1128330415).

Almost surely, 2^2256660829 is an apocalyptic number.

It is an amenable number.

2256660829 is a deficient number, since it is larger than the sum of its proper divisors (1).

2256660829 is an equidigital number, since it uses as much as digits as its factorization.

2256660829 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 622080, while the sum is 46.

The square root of 2256660829 is about 47504.3243189502. The cubic root of 2256660829 is about 1311.6624832416.

The spelling of 2256660829 in words is "two billion, two hundred fifty-six million, six hundred sixty thousand, eight hundred twenty-nine".