3265642687 has 2 divisors, whose sum is σ = 3265642688. Its totient is φ = 3265642686.

The previous prime is 3265642543. The next prime is 3265642711. The reversal of 3265642687 is 7862465623.

3265642687 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 (7862465623) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 3265642687 - 2¹¹ = 3265640639 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 3265642687.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3265642187) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1632821343 + 1632821344.

It is an arithmetic number, because the mean of its divisors is an integer number (1632821344).

Almost surely, 2^3265642687 is an apocalyptic number.

3265642687 is a deficient number, since it is larger than the sum of its proper divisors (1).

3265642687 is an equidigital number, since it uses as much as digits as its factorization.

3265642687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2903040, while the sum is 49.

The square root of 3265642687 is about 57145.8020067966. The cubic root of 3265642687 is about 1483.6207135770.

The spelling of 3265642687 in words is "three billion, two hundred sixty-five million, six hundred forty-two thousand, six hundred eighty-seven".