2268929687 has 2 divisors, whose sum is σ = 2268929688. Its totient is φ = 2268929686.

The previous prime is 2268929671. The next prime is 2268929693. The reversal of 2268929687 is 7869298622.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2268929687 - 2⁴ = 2268929671 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2268929647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1134464843 + 1134464844.

It is an arithmetic number, because the mean of its divisors is an integer number (1134464844).

Almost surely, 2^2268929687 is an apocalyptic number.

2268929687 is a deficient number, since it is larger than the sum of its proper divisors (1).

2268929687 is an equidigital number, since it uses as much as digits as its factorization.

2268929687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 10450944, while the sum is 59.

The square root of 2268929687 is about 47633.2833951219. The cubic root of 2268929687 is about 1314.0352404586.

The spelling of 2268929687 in words is "two billion, two hundred sixty-eight million, nine hundred twenty-nine thousand, six hundred eighty-seven".