8100996641 has 2 divisors, whose sum is σ = 8100996642. Its totient is φ = 8100996640.

The previous prime is 8100996581. The next prime is 8100996649. The reversal of 8100996641 is 1466990018.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7913881600 + 187115041 = 88960^2 + 13679^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8100996641 is a prime.

It is a super-2 number, since 2×8100996641² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8100996592 and 8100996601.

It is not a weakly prime, because it can be changed into another prime (8100996649) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4050498320 + 4050498321.

It is an arithmetic number, because the mean of its divisors is an integer number (4050498321).

Almost surely, 2^8100996641 is an apocalyptic number.

It is an amenable number.

8100996641 is a deficient number, since it is larger than the sum of its proper divisors (1).

8100996641 is an equidigital number, since it uses as much as digits as its factorization.

8100996641 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 93312, while the sum is 44.

The square root of 8100996641 is about 90005.5367241371. The cubic root of 8100996641 is about 2008.3812153036.

The spelling of 8100996641 in words is "eight billion, one hundred million, nine hundred ninety-six thousand, six hundred forty-one".