2163964627 has 4 divisors (see below), whose sum is σ = 2360688696. Its totient is φ = 1967240560.

The previous prime is 2163964619. The next prime is 2163964657. The reversal of 2163964627 is 7264693612.

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 2163964627 - 2³ = 2163964619 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2163964657) 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, 98362018 + ... + 98362039.

It is an arithmetic number, because the mean of its divisors is an integer number (590172174).

Almost surely, 2^2163964627 is an apocalyptic number.

2163964627 is a deficient number, since it is larger than the sum of its proper divisors (196724069).

2163964627 is a wasteful number, since it uses less digits than its factorization.

2163964627 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 196724068.

The product of its digits is 653184, while the sum is 46.

The square root of 2163964627 is about 46518.4331958848. The cubic root of 2163964627 is about 1293.4512130322.

The spelling of 2163964627 in words is "two billion, one hundred sixty-three million, nine hundred sixty-four thousand, six hundred twenty-seven".