3664426679 has 2 divisors, whose sum is σ = 3664426680. Its totient is φ = 3664426678.

The previous prime is 3664426673. The next prime is 3664426699. The reversal of 3664426679 is 9766244663.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3664426679 - 2⁴ = 3664426663 is a prime.

It is a Sophie Germain prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3664426679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3664426673) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1832213339 + 1832213340.

It is an arithmetic number, because the mean of its divisors is an integer number (1832213340).

Almost surely, 2^3664426679 is an apocalyptic number.

3664426679 is a deficient number, since it is larger than the sum of its proper divisors (1).

3664426679 is an equidigital number, since it uses as much as digits as its factorization.

3664426679 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 53.

The square root of 3664426679 is about 60534.5081668299. The cubic root of 3664426679 is about 1541.7075958058.

The spelling of 3664426679 in words is "three billion, six hundred sixty-four million, four hundred twenty-six thousand, six hundred seventy-nine".