3269643380 has 24 divisors (see below), whose sum is σ = 7051827048. Its totient is φ = 1272509568.

The previous prime is 3269643379. The next prime is 3269643383. The reversal of 3269643380 is 833469623.

It can be written as a sum of positive squares in 4 ways, for example, as 215091556 + 3054551824 = 14666^2 + 55268^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3269643383) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2208479 + ... + 2209958.

It is an arithmetic number, because the mean of its divisors is an integer number (293826127).

Almost surely, 2^3269643380 is an apocalyptic number.

It is an amenable number.

3269643380 is an abundant number, since it is smaller than the sum of its proper divisors (3782183668).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

3269643380 is a wasteful number, since it uses less digits than its factorization.

3269643380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4418483 (or 4418481 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 44.

The square root of 3269643380 is about 57180.7955523531. The cubic root of 3269643380 is about 1484.2263206385.

The spelling of 3269643380 in words is "three billion, two hundred sixty-nine million, six hundred forty-three thousand, three hundred eighty".