3664822663687 has 2 divisors, whose sum is σ = 3664822663688. Its totient is φ = 3664822663686.

The previous prime is 3664822663681. The next prime is 3664822663703. The reversal of 3664822663687 is 7863662284663.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3664822663687 - 2⁷ = 3664822663559 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3664822663681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832411331843 + 1832411331844.

It is an arithmetic number, because the mean of its divisors is an integer number (1832411331844).

Almost surely, 2^{3664822663687} is an apocalyptic number.

3664822663687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3664822663687 is an equidigital number, since it uses as much as digits as its factorization.

3664822663687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 501645312, while the sum is 67.

The spelling of 3664822663687 in words is "three trillion, six hundred sixty-four billion, eight hundred twenty-two million, six hundred sixty-three thousand, six hundred eighty-seven".