2265739543 has 2 divisors, whose sum is σ = 2265739544. Its totient is φ = 2265739542.

The previous prime is 2265739537. The next prime is 2265739571. The reversal of 2265739543 is 3459375622.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2265739543 - 2²¹ = 2263642391 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2265739493 and 2265739502.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2265739843) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1132869771 + 1132869772.

It is an arithmetic number, because the mean of its divisors is an integer number (1132869772).

Almost surely, 2^2265739543 is an apocalyptic number.

2265739543 is a deficient number, since it is larger than the sum of its proper divisors (1).

2265739543 is an equidigital number, since it uses as much as digits as its factorization.

2265739543 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1360800, while the sum is 46.

The square root of 2265739543 is about 47599.7851150612. The cubic root of 2265739543 is about 1313.4191015145.

The spelling of 2265739543 in words is "two billion, two hundred sixty-five million, seven hundred thirty-nine thousand, five hundred forty-three".