3000660423721 has 2 divisors, whose sum is σ = 3000660423722. Its totient is φ = 3000660423720.

The previous prime is 3000660423667. The next prime is 3000660423743. The reversal of 3000660423721 is 1273240660003.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2947278631696 + 53381792025 = 1716764^2 + 231045^2 .

It is a cyclic number.

It is not a de Polignac number, because 3000660423721 - 2¹⁷ = 3000660292649 is a prime.

It is not a weakly prime, because it can be changed into another prime (3000660463721) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1500330211860 + 1500330211861.

It is an arithmetic number, because the mean of its divisors is an integer number (1500330211861).

Almost surely, 2^{3000660423721} is an apocalyptic number.

It is an amenable number.

3000660423721 is a deficient number, since it is larger than the sum of its proper divisors (1).

3000660423721 is an equidigital number, since it uses as much as digits as its factorization.

3000660423721 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 36288, while the sum is 34.

The spelling of 3000660423721 in words is "three trillion, six hundred sixty million, four hundred twenty-three thousand, seven hundred twenty-one".