2192539956 has 24 divisors (see below), whose sum is σ = 5116809600. Its totient is φ = 730720512.

The previous prime is 2192539939. The next prime is 2192539957. The reversal of 2192539956 is 6599352912.

It is a junction number, because it is equal to n+sod(n) for n = 2192539899 and 2192539908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2192539957) by changing a digit.

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 in 7 ways as a sum of consecutive naturals, for example, 79845 + ... + 103731.

It is an arithmetic number, because the mean of its divisors is an integer number (213200400).

Almost surely, 2^2192539956 is an apocalyptic number.

It is an amenable number.

2192539956 is an abundant number, since it is smaller than the sum of its proper divisors (2924269644).

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

2192539956 is a wasteful number, since it uses less digits than its factorization.

2192539956 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31543 (or 31541 counting only the distinct ones).

The product of its digits is 1312200, while the sum is 51.

The square root of 2192539956 is about 46824.5657321026. The cubic root of 2192539956 is about 1299.1197109542.

The spelling of 2192539956 in words is "two billion, one hundred ninety-two million, five hundred thirty-nine thousand, nine hundred fifty-six".