2291743849187 has 16 divisors (see below), whose sum is σ = 2549913546432. Its totient is φ = 2045956268160.

The previous prime is 2291743849181. The next prime is 2291743849237. The reversal of 2291743849187 is 7819483471922.

It is a cyclic number.

It is not a de Polignac number, because 2291743849187 - 2¹⁸ = 2291743587043 is a prime.

It is a super-3 number, since 3×2291743849187³ (a number of 38 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (2291743849181) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14184764 + ... + 14345417.

It is an arithmetic number, because the mean of its divisors is an integer number (159369596652).

Almost surely, 2^{2291743849187} is an apocalyptic number.

2291743849187 is a deficient number, since it is larger than the sum of its proper divisors (258169697245).

2291743849187 is a wasteful number, since it uses less digits than its factorization.

2291743849187 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28530398.

The product of its digits is 48771072, while the sum is 65.

The spelling of 2291743849187 in words is "two trillion, two hundred ninety-one billion, seven hundred forty-three million, eight hundred forty-nine thousand, one hundred eighty-seven".