2268365129 has 2 divisors, whose sum is σ = 2268365130. Its totient is φ = 2268365128.

The previous prime is 2268365119. The next prime is 2268365147. The reversal of 2268365129 is 9215638622.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1584438025 + 683927104 = 39805^2 + 26152^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2268365129 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 2268365129.

It is not a weakly prime, because it can be changed into another prime (2268365119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134182564 + 1134182565.

It is an arithmetic number, because the mean of its divisors is an integer number (1134182565).

Almost surely, 2^2268365129 is an apocalyptic number.

It is an amenable number.

2268365129 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268365129 is an equidigital number, since it uses as much as digits as its factorization.

2268365129 is an evil number, because the sum of its binary digits is even.

The product of its digits is 311040, while the sum is 44.

The square root of 2268365129 is about 47627.3569390534. The cubic root of 2268365129 is about 1313.9262447723.

The spelling of 2268365129 in words is "two billion, two hundred sixty-eight million, three hundred sixty-five thousand, one hundred twenty-nine".