2162439268 has 24 divisors (see below), whose sum is σ = 4168382400. Its totient is φ = 973381920.

The previous prime is 2162439247. The next prime is 2162439269. The reversal of 2162439268 is 8629342612.

It is a super-2 number, since 2×2162439268² = 9352287175576751648, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2162439269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 234043 + ... + 243106.

It is an arithmetic number, because the mean of its divisors is an integer number (173682600).

Almost surely, 2^2162439268 is an apocalyptic number.

It is an amenable number.

2162439268 is a deficient number, since it is larger than the sum of its proper divisors (2005943132).

2162439268 is a wasteful number, since it uses less digits than its factorization.

2162439268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477267 (or 477265 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 2162439268 is about 46502.0350952515. The cubic root of 2162439268 is about 1293.1472275937.

The spelling of 2162439268 in words is "two billion, one hundred sixty-two million, four hundred thirty-nine thousand, two hundred sixty-eight".