2081940482819 has 2 divisors, whose sum is σ = 2081940482820. Its totient is φ = 2081940482818.

The previous prime is 2081940482767. The next prime is 2081940482879. The reversal of 2081940482819 is 9182840491802.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2081940482819 - 2¹⁶ = 2081940417283 is a prime.

It is a super-2 number, since 2×2081940482819² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2081940482879) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040970241409 + 1040970241410.

It is an arithmetic number, because the mean of its divisors is an integer number (1040970241410).

Almost surely, 2^{2081940482819} is an apocalyptic number.

2081940482819 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081940482819 is an equidigital number, since it uses as much as digits as its factorization.

2081940482819 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2654208, while the sum is 56.

The spelling of 2081940482819 in words is "two trillion, eighty-one billion, nine hundred forty million, four hundred eighty-two thousand, eight hundred nineteen".