3670645387 has 2 divisors, whose sum is σ = 3670645388. Its totient is φ = 3670645386.

The previous prime is 3670645367. The next prime is 3670645393. The reversal of 3670645387 is 7835460763.

It is a happy number.

3670645387 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 is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3670645387 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3670645387.

It is not a weakly prime, because it can be changed into another prime (3670645357) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1835322693 + 1835322694.

It is an arithmetic number, because the mean of its divisors is an integer number (1835322694).

Almost surely, 2^3670645387 is an apocalyptic number.

3670645387 is a deficient number, since it is larger than the sum of its proper divisors (1).

3670645387 is an equidigital number, since it uses as much as digits as its factorization.

3670645387 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2540160, while the sum is 49.

The square root of 3670645387 is about 60585.8513763733. The cubic root of 3670645387 is about 1542.5792201975.

The spelling of 3670645387 in words is "three billion, six hundred seventy million, six hundred forty-five thousand, three hundred eighty-seven".