2081467619081 has 2 divisors, whose sum is σ = 2081467619082. Its totient is φ = 2081467619080.

The previous prime is 2081467619041. The next prime is 2081467619113. The reversal of 2081467619081 is 1809167641802.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1059870250000 + 1021597369081 = 1029500^2 + 1010741^2 .

It is a cyclic number.

It is not a de Polignac number, because 2081467619081 - 2⁶ = 2081467619017 is a prime.

It is a super-2 number, since 2×2081467619081² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (2081467619041) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1040733809540 + 1040733809541.

It is an arithmetic number, because the mean of its divisors is an integer number (1040733809541).

Almost surely, 2^{2081467619081} is an apocalyptic number.

It is an amenable number.

2081467619081 is a deficient number, since it is larger than the sum of its proper divisors (1).

2081467619081 is an equidigital number, since it uses as much as digits as its factorization.

2081467619081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1161216, while the sum is 53.

The spelling of 2081467619081 in words is "two trillion, eighty-one billion, four hundred sixty-seven million, six hundred nineteen thousand, eighty-one".