6674000007509 has 2 divisors, whose sum is σ = 6674000007510. Its totient is φ = 6674000007508.

The previous prime is 6674000007469. The next prime is 6674000007523. The reversal of 6674000007509 is 9057000004766.

6674000007509 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6640300226884 + 33699780625 = 2576878^2 + 183575^2 .

It is a cyclic number.

It is not a de Polignac number, because 6674000007509 - 2⁸ = 6674000007253 is a prime.

It is a super-2 number, since 2×6674000007509² (a number of 26 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6674000007509.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6674000007559) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3337000003754 + 3337000003755.

It is an arithmetic number, because the mean of its divisors is an integer number (3337000003755).

Almost surely, 2^{6674000007509} is an apocalyptic number.

It is an amenable number.

6674000007509 is a deficient number, since it is larger than the sum of its proper divisors (1).

6674000007509 is an equidigital number, since it uses as much as digits as its factorization.

6674000007509 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 317520, while the sum is 44.

The spelling of 6674000007509 in words is "six trillion, six hundred seventy-four billion, seven thousand, five hundred nine".