3289991563 has 4 divisors (see below), whose sum is σ = 3290211000. Its totient is φ = 3289772128.

The previous prime is 3289991557. The next prime is 3289991609. The reversal of 3289991563 is 3651999823.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 3289991563 - 2¹⁷ = 3289860491 is a prime.

It is a super-2 number, since 2×3289991563² = 21648088969222365938, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3289991503) 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 in 3 ways as a sum of consecutive naturals, for example, 85438 + ... + 117811.

It is an arithmetic number, because the mean of its divisors is an integer number (822552750).

Almost surely, 2^3289991563 is an apocalyptic number.

3289991563 is a deficient number, since it is larger than the sum of its proper divisors (219437).

3289991563 is a wasteful number, since it uses less digits than its factorization.

3289991563 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219436.

The product of its digits is 3149280, while the sum is 55.

The square root of 3289991563 is about 57358.4480525755. The cubic root of 3289991563 is about 1487.2989160002.

The spelling of 3289991563 in words is "three billion, two hundred eighty-nine million, nine hundred ninety-one thousand, five hundred sixty-three".