3640890307 has 2 divisors, whose sum is σ = 3640890308. Its totient is φ = 3640890306.

The previous prime is 3640890277. The next prime is 3640890329. The reversal of 3640890307 is 7030980463.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 3640890307 - 2²³ = 3632501699 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3640890307.

It is not a weakly prime, because it can be changed into another prime (3640890377) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1820445153 + 1820445154.

It is an arithmetic number, because the mean of its divisors is an integer number (1820445154).

Almost surely, 2^3640890307 is an apocalyptic number.

3640890307 is a deficient number, since it is larger than the sum of its proper divisors (1).

3640890307 is an equidigital number, since it uses as much as digits as its factorization.

3640890307 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 108864, while the sum is 40.

The square root of 3640890307 is about 60339.7904122976. The cubic root of 3640890307 is about 1538.3997413946.

The spelling of 3640890307 in words is "three billion, six hundred forty million, eight hundred ninety thousand, three hundred seven".