18424844379 has 48 divisors (see below), whose sum is σ = 28028224224. Its totient is φ = 11648448000.

The previous prime is 18424844371. The next prime is 18424844381. The reversal of 18424844379 is 97344842481.

18424844379 is a `hidden beast` number, since 18 + 42 + 484 + 43 + 79 = 666.

It is not a de Polignac number, because 18424844379 - 2³ = 18424844371 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18424844371) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8604649 + ... + 8606789.

It is an arithmetic number, because the mean of its divisors is an integer number (583921338).

Almost surely, 2^18424844379 is an apocalyptic number.

18424844379 is a deficient number, since it is larger than the sum of its proper divisors (9603379845).

18424844379 is a wasteful number, since it uses less digits than its factorization.

18424844379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2828 (or 2825 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 54.

The spelling of 18424844379 in words is "eighteen billion, four hundred twenty-four million, eight hundred forty-four thousand, three hundred seventy-nine".