3269654978 has 6 divisors (see below), whose sum is σ = 4904603769. Its totient is φ = 1634787056.

The previous prime is 3269654977. The next prime is 3269654981. The reversal of 3269654978 is 8794569623.

3269654978 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2782879009 + 486775969 = 52753^2 + 22063^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=40433.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3269654977) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 60650 + ... + 101082.

Almost surely, 2^3269654978 is an apocalyptic number.

3269654978 is a deficient number, since it is larger than the sum of its proper divisors (1634948791).

3269654978 is an frugal number, since it uses more digits than its factorization.

3269654978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80868 (or 40435 counting only the distinct ones).

The product of its digits is 19595520, while the sum is 59.

The square root of 3269654978 is about 57180.8969674314. The cubic root of 3269654978 is about 1484.2280755737.

The spelling of 3269654978 in words is "three billion, two hundred sixty-nine million, six hundred fifty-four thousand, nine hundred seventy-eight".