3260662991 has 2 divisors, whose sum is σ = 3260662992. Its totient is φ = 3260662990.

The previous prime is 3260662927. The next prime is 3260662997. The reversal of 3260662991 is 1992660623.

3260662991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is an emirp because it is prime and its reverse (1992660623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3260662991 - 2⁶ = 3260662927 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3260662997) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1630331495 + 1630331496.

It is an arithmetic number, because the mean of its divisors is an integer number (1630331496).

Almost surely, 2^3260662991 is an apocalyptic number.

3260662991 is a deficient number, since it is larger than the sum of its proper divisors (1).

3260662991 is an equidigital number, since it uses as much as digits as its factorization.

3260662991 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 209952, while the sum is 44.

The square root of 3260662991 is about 57102.2152897766. The cubic root of 3260662991 is about 1482.8662180332.

The spelling of 3260662991 in words is "three billion, two hundred sixty million, six hundred sixty-two thousand, nine hundred ninety-one".