2124441899218 has 4 divisors (see below), whose sum is σ = 3186662848830. Its totient is φ = 1062220949608.

The previous prime is 2124441899201. The next prime is 2124441899227. The reversal of 2124441899218 is 8129981444212.

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

It can be written as a sum of positive squares in only one way, i.e., 2023258742569 + 101183156649 = 1422413^2 + 318093^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 531110474803 + ... + 531110474806.

Almost surely, 2^{2124441899218} is an apocalyptic number.

2124441899218 is a deficient number, since it is larger than the sum of its proper divisors (1062220949612).

2124441899218 is a wasteful number, since it uses less digits than its factorization.

2124441899218 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1062220949611.

The product of its digits is 2654208, while the sum is 55.

The spelling of 2124441899218 in words is "two trillion, one hundred twenty-four billion, four hundred forty-one million, eight hundred ninety-nine thousand, two hundred eighteen".