3265663381 has 2 divisors, whose sum is σ = 3265663382. Its totient is φ = 3265663380.

The previous prime is 3265663367. The next prime is 3265663463. The reversal of 3265663381 is 1833665623.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3157316100 + 108347281 = 56190^2 + 10409^2 .

It is a cyclic number.

It is not a de Polignac number, because 3265663381 - 2¹⁹ = 3265139093 is a prime.

It is a super-2 number, since 2×3265663381² = 21329114636008702322, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3265663301) 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, 1632831690 + 1632831691.

It is an arithmetic number, because the mean of its divisors is an integer number (1632831691).

Almost surely, 2^3265663381 is an apocalyptic number.

It is an amenable number.

3265663381 is a deficient number, since it is larger than the sum of its proper divisors (1).

3265663381 is an equidigital number, since it uses as much as digits as its factorization.

3265663381 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 466560, while the sum is 43.

The square root of 3265663381 is about 57145.9830696787. The cubic root of 3265663381 is about 1483.6238474147.

The spelling of 3265663381 in words is "three billion, two hundred sixty-five million, six hundred sixty-three thousand, three hundred eighty-one".