3287564491 has 2 divisors, whose sum is σ = 3287564492. Its totient is φ = 3287564490.

The previous prime is 3287564461. The next prime is 3287564531. The reversal of 3287564491 is 1944657823.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 3287564491 - 2¹³ = 3287556299 is a prime.

It is not a weakly prime, because it can be changed into another prime (3287564411) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1643782245 + 1643782246.

It is an arithmetic number, because the mean of its divisors is an integer number (1643782246).

Almost surely, 2^3287564491 is an apocalyptic number.

3287564491 is a deficient number, since it is larger than the sum of its proper divisors (1).

3287564491 is an equidigital number, since it uses as much as digits as its factorization.

3287564491 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1451520, while the sum is 49.

The square root of 3287564491 is about 57337.2870913858. The cubic root of 3287564491 is about 1486.9330924095.

The spelling of 3287564491 in words is "three billion, two hundred eighty-seven million, five hundred sixty-four thousand, four hundred ninety-one".