3663622427 has 4 divisors (see below), whose sum is σ = 3856444680. Its totient is φ = 3470800176.

The previous prime is 3663622421. The next prime is 3663622429. The reversal of 3663622427 is 7242263663.

It is a happy number.

3663622427 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-3663622427 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3663622421) 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, 96411098 + ... + 96411135.

It is an arithmetic number, because the mean of its divisors is an integer number (964111170).

Almost surely, 2^3663622427 is an apocalyptic number.

3663622427 is a deficient number, since it is larger than the sum of its proper divisors (192822253).

3663622427 is a wasteful number, since it uses less digits than its factorization.

3663622427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192822252.

The product of its digits is 435456, while the sum is 41.

The square root of 3663622427 is about 60527.8648805655. The cubic root of 3663622427 is about 1541.5947985210.

The spelling of 3663622427 in words is "three billion, six hundred sixty-three million, six hundred twenty-two thousand, four hundred twenty-seven".