3665243513 has 2 divisors, whose sum is σ = 3665243514. Its totient is φ = 3665243512.

The previous prime is 3665243443. The next prime is 3665243521. The reversal of 3665243513 is 3153425663.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3639467584 + 25775929 = 60328^2 + 5077^2 .

It is a cyclic number.

It is not a de Polignac number, because 3665243513 - 2¹⁶ = 3665177977 is a prime.

It is not a weakly prime, because it can be changed into another prime (3665243573) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832621756 + 1832621757.

It is an arithmetic number, because the mean of its divisors is an integer number (1832621757).

Almost surely, 2^3665243513 is an apocalyptic number.

It is an amenable number.

3665243513 is a deficient number, since it is larger than the sum of its proper divisors (1).

3665243513 is an equidigital number, since it uses as much as digits as its factorization.

3665243513 is an evil number, because the sum of its binary digits is even.

The product of its digits is 194400, while the sum is 38.

The square root of 3665243513 is about 60541.2546368177. The cubic root of 3665243513 is about 1541.8221408387.

The spelling of 3665243513 in words is "three billion, six hundred sixty-five million, two hundred forty-three thousand, five hundred thirteen".