2169543372 has 48 divisors (see below), whose sum is σ = 5212032000. Its totient is φ = 701965440.

The previous prime is 2169543361. The next prime is 2169543403. The reversal of 2169543372 is 2733459612.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 86829 + ... + 108987.

It is an arithmetic number, because the mean of its divisors is an integer number (108584000).

Almost surely, 2^2169543372 is an apocalyptic number.

It is an amenable number.

2169543372 is an abundant number, since it is smaller than the sum of its proper divisors (3042488628).

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

2169543372 is a wasteful number, since it uses less digits than its factorization.

2169543372 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22406 (or 22404 counting only the distinct ones).

The product of its digits is 272160, while the sum is 42.

The square root of 2169543372 is about 46578.3573347107. The cubic root of 2169543372 is about 1294.5617737760.

The spelling of 2169543372 in words is "two billion, one hundred sixty-nine million, five hundred forty-three thousand, three hundred seventy-two".