18820050379 has 32 divisors (see below), whose sum is σ = 22021324416. Its totient is φ = 15924142080.

The previous prime is 18820050367. The next prime is 18820050383. The reversal of 18820050379 is 97305002881.

It is not a de Polignac number, because 18820050379 - 2⁷ = 18820050251 is a prime.

It is not an unprimeable number, because it can be changed into a prime (18820050079) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6585919 + ... + 6588775.

It is an arithmetic number, because the mean of its divisors is an integer number (688166388).

Almost surely, 2^18820050379 is an apocalyptic number.

18820050379 is a deficient number, since it is larger than the sum of its proper divisors (3201274037).

18820050379 is a wasteful number, since it uses less digits than its factorization.

18820050379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3655.

The product of its (nonzero) digits is 120960, while the sum is 43.

The spelling of 18820050379 in words is "eighteen billion, eight hundred twenty million, fifty thousand, three hundred seventy-nine".