2192543268 has 12 divisors (see below), whose sum is σ = 5115934320. Its totient is φ = 730847752.

The previous prime is 2192543267. The next prime is 2192543321. The reversal of 2192543268 is 8623452912.

It is a tau number, because it is divible by the number of its divisors (12).

It is not an unprimeable number, because it can be changed into a prime (2192543267) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91355958 + ... + 91355981.

It is an arithmetic number, because the mean of its divisors is an integer number (426327860).

Almost surely, 2^2192543268 is an apocalyptic number.

It is an amenable number.

2192543268 is an abundant number, since it is smaller than the sum of its proper divisors (2923391052).

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

2192543268 is a wasteful number, since it uses less digits than its factorization.

2192543268 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182711946 (or 182711944 counting only the distinct ones).

The product of its digits is 207360, while the sum is 42.

The square root of 2192543268 is about 46824.6010981407. The cubic root of 2192543268 is about 1299.1203650939.

The spelling of 2192543268 in words is "two billion, one hundred ninety-two million, five hundred forty-three thousand, two hundred sixty-eight".