3666501679 has 2 divisors, whose sum is σ = 3666501680. Its totient is φ = 3666501678.

The previous prime is 3666501659. The next prime is 3666501689. The reversal of 3666501679 is 9761056663.

It is a strong prime.

It is an emirp because it is prime and its reverse (9761056663) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3666501679 - 2⁵ = 3666501647 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3666501659) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1833250839 + 1833250840.

It is an arithmetic number, because the mean of its divisors is an integer number (1833250840).

Almost surely, 2^3666501679 is an apocalyptic number.

3666501679 is a deficient number, since it is larger than the sum of its proper divisors (1).

3666501679 is an equidigital number, since it uses as much as digits as its factorization.

3666501679 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1224720, while the sum is 49.

The square root of 3666501679 is about 60551.6447258041. The cubic root of 3666501679 is about 1541.9985407846.

The spelling of 3666501679 in words is "three billion, six hundred sixty-six million, five hundred one thousand, six hundred seventy-nine".