2183861522494 has 8 divisors (see below), whose sum is σ = 3418218035280. Its totient is φ = 1044455510736.

The previous prime is 2183861522389. The next prime is 2183861522569. The reversal of 2183861522494 is 4942251683812.

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

It is a super-2 number, since 2×2183861522494² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23737625199 + ... + 23737625290.

It is an arithmetic number, because the mean of its divisors is an integer number (427277254410).

Almost surely, 2^{2183861522494} is an apocalyptic number.

2183861522494 is a deficient number, since it is larger than the sum of its proper divisors (1234356512786).

2183861522494 is a wasteful number, since it uses less digits than its factorization.

2183861522494 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47475250514.

The product of its digits is 6635520, while the sum is 55.

The spelling of 2183861522494 in words is "two trillion, one hundred eighty-three billion, eight hundred sixty-one million, five hundred twenty-two thousand, four hundred ninety-four".