2215144642443 has 8 divisors (see below), whose sum is σ = 2953615533888. Its totient is φ = 1476718422984.

The previous prime is 2215144642441. The next prime is 2215144642453. The reversal of 2215144642443 is 3442464415122.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2215144642443 - 2¹ = 2215144642441 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2215144642395 and 2215144642404.

It is not an unprimeable number, because it can be changed into a prime (2215144642441) 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 7 ways as a sum of consecutive naturals, for example, 11052121 + ... + 11250762.

It is an arithmetic number, because the mean of its divisors is an integer number (369201941736).

Almost surely, 2^{2215144642443} is an apocalyptic number.

2215144642443 is a deficient number, since it is larger than the sum of its proper divisors (738470891445).

2215144642443 is a wasteful number, since it uses less digits than its factorization.

2215144642443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22335993.

The product of its digits is 737280, while the sum is 42.

The spelling of 2215144642443 in words is "two trillion, two hundred fifteen billion, one hundred forty-four million, six hundred forty-two thousand, four hundred forty-three".