7466640413 has 2 divisors, whose sum is σ = 7466640414. Its totient is φ = 7466640412.

The previous prime is 7466640373. The next prime is 7466640427. The reversal of 7466640413 is 3140466647.

7466640413 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., 6849714169 + 616926244 = 82763^2 + 24838^2 .

It is an emirp because it is prime and its reverse (3140466647) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-7466640413 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (7466610413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3733320206 + 3733320207.

It is an arithmetic number, because the mean of its divisors is an integer number (3733320207).

Almost surely, 2^7466640413 is an apocalyptic number.

It is an amenable number.

7466640413 is a deficient number, since it is larger than the sum of its proper divisors (1).

7466640413 is an equidigital number, since it uses as much as digits as its factorization.

7466640413 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 290304, while the sum is 41.

The square root of 7466640413 is about 86409.7240650611. The cubic root of 7466640413 is about 1954.5273210506.

The spelling of 7466640413 in words is "seven billion, four hundred sixty-six million, six hundred forty thousand, four hundred thirteen".