2163512344 has 32 divisors (see below), whose sum is σ = 4908811680. Its totient is φ = 872676864.

The previous prime is 2163512339. The next prime is 2163512353. The reversal of 2163512344 is 4432153612.

It is a congruent number.

It is an unprimeable number.

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, 1135347 + ... + 1137250.

It is an arithmetic number, because the mean of its divisors is an integer number (153400365).

Almost surely, 2^2163512344 is an apocalyptic number.

It is an amenable number.

2163512344 is an abundant number, since it is smaller than the sum of its proper divisors (2745299336).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2163512344 is a wasteful number, since it uses less digits than its factorization.

2163512344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2272627 (or 2272623 counting only the distinct ones).

The product of its digits is 17280, while the sum is 31.

The square root of 2163512344 is about 46513.5716108750. The cubic root of 2163512344 is about 1293.3610934512.

Adding to 2163512344 its reverse (4432153612), we get a palindrome (6595665956).

The spelling of 2163512344 in words is "two billion, one hundred sixty-three million, five hundred twelve thousand, three hundred forty-four".