3243906047 has 4 divisors (see below), whose sum is σ = 3244068936. Its totient is φ = 3243743160.

The previous prime is 3243906023. The next prime is 3243906049. The reversal of 3243906047 is 7406093423.

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 3243906047 - 2¹⁰ = 3243905023 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 3243906047.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3243906049) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46604 + ... + 93057.

It is an arithmetic number, because the mean of its divisors is an integer number (811017234).

Almost surely, 2^3243906047 is an apocalyptic number.

3243906047 is a deficient number, since it is larger than the sum of its proper divisors (162889).

3243906047 is a wasteful number, since it uses less digits than its factorization.

3243906047 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162888.

The product of its (nonzero) digits is 108864, while the sum is 38.

The square root of 3243906047 is about 56955.2986736089. The cubic root of 3243906047 is about 1480.3216440874.

The spelling of 3243906047 in words is "three billion, two hundred forty-three million, nine hundred six thousand, forty-seven".