2081879843 has 2 divisors, whose sum is σ = 2081879844. Its totient is φ = 2081879842.

The previous prime is 2081879831. The next prime is 2081879861. The reversal of 2081879843 is 3489781802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2081879843 - 2¹⁰ = 2081878819 is a prime.

It is a super-3 number, since 3×2081879843³ (a number of 29 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 2081879791 and 2081879800.

It is not a weakly prime, because it can be changed into another prime (2081879893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040939921 + 1040939922.

It is an arithmetic number, because the mean of its divisors is an integer number (1040939922).

Almost surely, 2^2081879843 is an apocalyptic number.

2081879843 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081879843 is an equidigital number, since it uses as much as digits as its factorization.

2081879843 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 50.

The square root of 2081879843 is about 45627.6214918113. The cubic root of 2081879843 is about 1276.8852986608.

The spelling of 2081879843 in words is "two billion, eighty-one million, eight hundred seventy-nine thousand, eight hundred forty-three".