3290661947 has 2 divisors, whose sum is σ = 3290661948. Its totient is φ = 3290661946.

The previous prime is 3290661917. The next prime is 3290661949. The reversal of 3290661947 is 7491660923.

It is a happy number.

It is a strong prime.

It is an emirp because it is prime and its reverse (7491660923) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3290661947 - 2⁶ = 3290661883 is a prime.

Together with 3290661949, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (3290661949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1645330973 + 1645330974.

It is an arithmetic number, because the mean of its divisors is an integer number (1645330974).

Almost surely, 2^3290661947 is an apocalyptic number.

3290661947 is a deficient number, since it is larger than the sum of its proper divisors (1).

3290661947 is an equidigital number, since it uses as much as digits as its factorization.

3290661947 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 489888, while the sum is 47.

The square root of 3290661947 is about 57364.2915671413. The cubic root of 3290661947 is about 1487.3999287903.

The spelling of 3290661947 in words is "three billion, two hundred ninety million, six hundred sixty-one thousand, nine hundred forty-seven".