2192539541 has 4 divisors (see below), whose sum is σ = 2194378572. Its totient is φ = 2190700512.

The previous prime is 2192539501. The next prime is 2192539571. The reversal of 2192539541 is 1459352912.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1265580625 + 926958916 = 35575^2 + 30446^2 .

It is a cyclic number.

It is not a de Polignac number, because 2192539541 - 2¹⁸ = 2192277397 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2192539501) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 917726 + ... + 920111.

It is an arithmetic number, because the mean of its divisors is an integer number (548594643).

Almost surely, 2^2192539541 is an apocalyptic number.

It is an amenable number.

2192539541 is a deficient number, since it is larger than the sum of its proper divisors (1839031).

2192539541 is a wasteful number, since it uses less digits than its factorization.

2192539541 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1839030.

The product of its digits is 97200, while the sum is 41.

The square root of 2192539541 is about 46824.5613006678. The cubic root of 2192539541 is about 1299.1196289892.

The spelling of 2192539541 in words is "two billion, one hundred ninety-two million, five hundred thirty-nine thousand, five hundred forty-one".