2265637043 has 2 divisors, whose sum is σ = 2265637044. Its totient is φ = 2265637042.

The previous prime is 2265637027. The next prime is 2265637079. The reversal of 2265637043 is 3407365622.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2265637043 - 2⁴ = 2265637027 is a prime.

It is a super-2 number, since 2×2265637043² = 10266222421227567698, which contains 22 as substring.

It is a Sophie Germain prime.

It is a junction number, because it is equal to n+sod(n) for n = 2265636988 and 2265637006.

It is not a weakly prime, because it can be changed into another prime (2265630043) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132818521 + 1132818522.

It is an arithmetic number, because the mean of its divisors is an integer number (1132818522).

Almost surely, 2^2265637043 is an apocalyptic number.

2265637043 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265637043 is an equidigital number, since it uses as much as digits as its factorization.

2265637043 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 181440, while the sum is 38.

The square root of 2265637043 is about 47598.7084173510. The cubic root of 2265637043 is about 1313.3992952532.

The spelling of 2265637043 in words is "two billion, two hundred sixty-five million, six hundred thirty-seven thousand, forty-three".