3664942559 has 2 divisors, whose sum is σ = 3664942560. Its totient is φ = 3664942558.

The previous prime is 3664942553. The next prime is 3664942577. The reversal of 3664942559 is 9552494663.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3664942559 - 2¹⁶ = 3664877023 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3664942559.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3664942553) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832471279 + 1832471280.

It is an arithmetic number, because the mean of its divisors is an integer number (1832471280).

Almost surely, 2^3664942559 is an apocalyptic number.

3664942559 is a deficient number, since it is larger than the sum of its proper divisors (1).

3664942559 is an equidigital number, since it uses as much as digits as its factorization.

3664942559 is an evil number, because the sum of its binary digits is even.

The product of its digits is 6998400, while the sum is 53.

The square root of 3664942559 is about 60538.7690575221. The cubic root of 3664942559 is about 1541.7799398917.

The spelling of 3664942559 in words is "three billion, six hundred sixty-four million, nine hundred forty-two thousand, five hundred fifty-nine".