2163497727 has 16 divisors (see below), whose sum is σ = 2960496000. Its totient is φ = 1404864864.

The previous prime is 2163497689. The next prime is 2163497753. The reversal of 2163497727 is 7277943612.

It is not a de Polignac number, because 2163497727 - 2¹⁴ = 2163481343 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2163497627) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36777 + ... + 75362.

It is an arithmetic number, because the mean of its divisors is an integer number (185031000).

Almost surely, 2^2163497727 is an apocalyptic number.

2163497727 is a deficient number, since it is larger than the sum of its proper divisors (796998273).

2163497727 is a wasteful number, since it uses less digits than its factorization.

2163497727 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 112310.

The product of its digits is 889056, while the sum is 48.

The square root of 2163497727 is about 46513.4144844259. The cubic root of 2163497727 is about 1293.3581807336.

It can be divided in two parts, 216 and 3497727, that added together give a palindrome (3497943).

The spelling of 2163497727 in words is "two billion, one hundred sixty-three million, four hundred ninety-seven thousand, seven hundred twenty-seven".