3289130821 has 2 divisors, whose sum is σ = 3289130822. Its totient is φ = 3289130820.

The previous prime is 3289130809. The next prime is 3289130837. The reversal of 3289130821 is 1280319823.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2331537796 + 957593025 = 48286^2 + 30945^2 .

It is a cyclic number.

It is not a de Polignac number, because 3289130821 - 2¹⁵ = 3289098053 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3289130891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1644565410 + 1644565411.

It is an arithmetic number, because the mean of its divisors is an integer number (1644565411).

Almost surely, 2^3289130821 is an apocalyptic number.

It is an amenable number.

3289130821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3289130821 is an equidigital number, since it uses as much as digits as its factorization.

3289130821 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20736, while the sum is 37.

The square root of 3289130821 is about 57350.9443775776. The cubic root of 3289130821 is about 1487.1692001354.

The spelling of 3289130821 in words is "three billion, two hundred eighty-nine million, one hundred thirty thousand, eight hundred twenty-one".