4811390081 has 2 divisors, whose sum is σ = 4811390082. Its totient is φ = 4811390080.

The previous prime is 4811390039. The next prime is 4811390147. The reversal of 4811390081 is 1800931184.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4804707856 + 6682225 = 69316^2 + 2585^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4811390081 is a prime.

It is a super-2 number, since 2×4811390081² = 46298949023090373122, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (4811390581) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2405695040 + 2405695041.

It is an arithmetic number, because the mean of its divisors is an integer number (2405695041).

Almost surely, 2^4811390081 is an apocalyptic number.

It is an amenable number.

4811390081 is a deficient number, since it is larger than the sum of its proper divisors (1).

4811390081 is an equidigital number, since it uses as much as digits as its factorization.

4811390081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6912, while the sum is 35.

The square root of 4811390081 is about 69364.1844253935. The cubic root of 4811390081 is about 1688.1985497199.

The spelling of 4811390081 in words is "four billion, eight hundred eleven million, three hundred ninety thousand, eighty-one".