2271563699 has 2 divisors, whose sum is σ = 2271563700. Its totient is φ = 2271563698.

The previous prime is 2271563663. The next prime is 2271563747. The reversal of 2271563699 is 9963651722.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2271563699 - 2²⁰ = 2270515123 is a prime.

It is a super-2 number, since 2×2271563699² = 10320003277229125202, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2271566699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1135781849 + 1135781850.

It is an arithmetic number, because the mean of its divisors is an integer number (1135781850).

Almost surely, 2^2271563699 is an apocalyptic number.

2271563699 is a deficient number, since it is larger than the sum of its proper divisors (1).

2271563699 is an equidigital number, since it uses as much as digits as its factorization.

2271563699 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1224720, while the sum is 50.

The square root of 2271563699 is about 47660.9242356881. The cubic root of 2271563699 is about 1314.5435338778.

The spelling of 2271563699 in words is "two billion, two hundred seventy-one million, five hundred sixty-three thousand, six hundred ninety-nine".