2018371819 has 2 divisors, whose sum is σ = 2018371820. Its totient is φ = 2018371818.

The previous prime is 2018371799. The next prime is 2018371837. The reversal of 2018371819 is 9181738102.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2018371819 - 2⁹ = 2018371307 is a prime.

It is a super-2 number, since 2×2018371819² = 8147649599466737522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2013371819) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1009185909 + 1009185910.

It is an arithmetic number, because the mean of its divisors is an integer number (1009185910).

Almost surely, 2^2018371819 is an apocalyptic number.

2018371819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2018371819 is an equidigital number, since it uses as much as digits as its factorization.

2018371819 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 24192, while the sum is 40.

The square root of 2018371819 is about 44926.2931811651. The cubic root of 2018371819 is about 1263.7671374679.

The spelling of 2018371819 in words is "two billion, eighteen million, three hundred seventy-one thousand, eight hundred nineteen".