18879462841 has 6 divisors (see below), whose sum is σ = 19925416842. Its totient is φ = 17885806560.

The previous prime is 18879462827. The next prime is 18879462857. The reversal of 18879462841 is 14826497881.

It can be written as a sum of positive squares in only one way, i.e., 16614178816 + 2265284025 = 128896^2 + 47595^2 .

It is not a de Polignac number, because 18879462841 - 2¹⁷ = 18879331769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18879462821) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 26148480 + ... + 26149201.

It is an arithmetic number, because the mean of its divisors is an integer number (3320902807).

Almost surely, 2^18879462841 is an apocalyptic number.

It is an amenable number.

18879462841 is a deficient number, since it is larger than the sum of its proper divisors (1045954001).

18879462841 is an equidigital number, since it uses as much as digits as its factorization.

18879462841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52297719 (or 52297700 counting only the distinct ones).

The product of its digits is 6193152, while the sum is 58.

The spelling of 18879462841 in words is "eighteen billion, eight hundred seventy-nine million, four hundred sixty-two thousand, eight hundred forty-one".