2163244562 has 4 divisors (see below), whose sum is σ = 3244866846. Its totient is φ = 1081622280.

The previous prime is 2163244561. The next prime is 2163244613. The reversal of 2163244562 is 2654423612.

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

It can be written as a sum of positive squares in only one way, i.e., 2131761241 + 31483321 = 46171^2 + 5611^2 .

It is not an unprimeable number, because it can be changed into a prime (2163244561) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 540811139 + ... + 540811142.

Almost surely, 2^2163244562 is an apocalyptic number.

2163244562 is a deficient number, since it is larger than the sum of its proper divisors (1081622284).

2163244562 is a wasteful number, since it uses less digits than its factorization.

2163244562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1081622283.

The product of its digits is 69120, while the sum is 35.

The square root of 2163244562 is about 46510.6929855920. The cubic root of 2163244562 is about 1293.3077306696.

The spelling of 2163244562 in words is "two billion, one hundred sixty-three million, two hundred forty-four thousand, five hundred sixty-two".