4080808807981 has 2 divisors, whose sum is σ = 4080808807982. Its totient is φ = 4080808807980.

The previous prime is 4080808807969. The next prime is 4080808808053. The reversal of 4080808807981 is 1897088080804.

4080808807981 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4019684157225 + 61124650756 = 2004915^2 + 247234^2 .

It is a cyclic number.

It is not a de Polignac number, because 4080808807981 - 2¹⁵ = 4080808775213 is a prime.

It is a super-2 number, since 2×4080808807981² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4080808802981) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2040404403990 + 2040404403991.

It is an arithmetic number, because the mean of its divisors is an integer number (2040404403991).

Almost surely, 2^{4080808807981} is an apocalyptic number.

It is an amenable number.

4080808807981 is a deficient number, since it is larger than the sum of its proper divisors (1).

4080808807981 is an equidigital number, since it uses as much as digits as its factorization.

4080808807981 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8257536, while the sum is 61.

The spelling of 4080808807981 in words is "four trillion, eighty billion, eight hundred eight million, eight hundred seven thousand, nine hundred eighty-one".