2213781365919 has 8 divisors (see below), whose sum is σ = 2958371488512. Its totient is φ = 1472522743640.

The previous prime is 2213781365911. The next prime is 2213781365941. The reversal of 2213781365919 is 9195631873122.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 2213781365919 - 2³ = 2213781365911 is a prime.

It is a super-2 number, since 2×2213781365919² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2213781365911) 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 7 ways as a sum of consecutive naturals, for example, 832873527 + ... + 832876184.

It is an arithmetic number, because the mean of its divisors is an integer number (369796436064).

Almost surely, 2^{2213781365919} is an apocalyptic number.

2213781365919 is a deficient number, since it is larger than the sum of its proper divisors (744590122593).

2213781365919 is a wasteful number, since it uses less digits than its factorization.

2213781365919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1665750157.

The product of its digits is 4898880, while the sum is 57.

The spelling of 2213781365919 in words is "two trillion, two hundred thirteen billion, seven hundred eighty-one million, three hundred sixty-five thousand, nine hundred nineteen".