2162131364 has 6 divisors (see below), whose sum is σ = 3783729894. Its totient is φ = 1081065680.

The previous prime is 2162131357. The next prime is 2162131373. The reversal of 2162131364 is 4631312612.

It can be written as a sum of positive squares in only one way, i.e., 1932305764 + 229825600 = 43958^2 + 15160^2 .

It is an unprimeable number.

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, 270266417 + ... + 270266424.

It is an arithmetic number, because the mean of its divisors is an integer number (630621649).

Almost surely, 2^2162131364 is an apocalyptic number.

It is an amenable number.

2162131364 is a deficient number, since it is larger than the sum of its proper divisors (1621598530).

2162131364 is a wasteful number, since it uses less digits than its factorization.

2162131364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540532845 (or 540532843 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 2162131364 is about 46498.7243265877. The cubic root of 2162131364 is about 1293.0858487441.

Adding to 2162131364 its reverse (4631312612), we get a palindrome (6793443976).

The spelling of 2162131364 in words is "two billion, one hundred sixty-two million, one hundred thirty-one thousand, three hundred sixty-four".