3643046427 has 8 divisors (see below), whose sum is σ = 4857679120. Its totient is φ = 2428555680.

The previous prime is 3643046389. The next prime is 3643046443. The reversal of 3643046427 is 7246403463.

3643046427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 3643046427 - 2⁷ = 3643046299 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3643041427) 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, 65277 + ... + 107457.

It is an arithmetic number, because the mean of its divisors is an integer number (607209890).

Almost surely, 2^3643046427 is an apocalyptic number.

3643046427 is a deficient number, since it is larger than the sum of its proper divisors (1214632693).

3643046427 is a wasteful number, since it uses less digits than its factorization.

3643046427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70973.

The product of its (nonzero) digits is 290304, while the sum is 39.

The square root of 3643046427 is about 60357.6542536239. The cubic root of 3643046427 is about 1538.7033594312.

The spelling of 3643046427 in words is "three billion, six hundred forty-three million, forty-six thousand, four hundred twenty-seven".