3006645647 has 2 divisors, whose sum is σ = 3006645648. Its totient is φ = 3006645646.

The previous prime is 3006645623. The next prime is 3006645683. The reversal of 3006645647 is 7465466003.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3006645647 - 2²⁶ = 2939536783 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3006945647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1503322823 + 1503322824.

It is an arithmetic number, because the mean of its divisors is an integer number (1503322824).

Almost surely, 2^3006645647 is an apocalyptic number.

3006645647 is a deficient number, since it is larger than the sum of its proper divisors (1).

3006645647 is an equidigital number, since it uses as much as digits as its factorization.

3006645647 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 362880, while the sum is 41.

The square root of 3006645647 is about 54832.8883700284. Note that the first 3 decimals coincide. The cubic root of 3006645647 is about 1443.3137495128.

The spelling of 3006645647 in words is "three billion, six million, six hundred forty-five thousand, six hundred forty-seven".