808099697641 has 2 divisors, whose sum is σ = 808099697642. Its totient is φ = 808099697640.

The previous prime is 808099697591. The next prime is 808099697687. The reversal of 808099697641 is 146796990808.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 612908923225 + 195190774416 = 782885^2 + 441804^2 .

It is a cyclic number.

It is not a de Polignac number, because 808099697641 - 2²³ = 808091309033 is a prime.

It is not a weakly prime, because it can be changed into another prime (808099997641) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404049848820 + 404049848821.

It is an arithmetic number, because the mean of its divisors is an integer number (404049848821).

Almost surely, 2^808099697641 is an apocalyptic number.

It is an amenable number.

808099697641 is a deficient number, since it is larger than the sum of its proper divisors (1).

808099697641 is an equidigital number, since it uses as much as digits as its factorization.

808099697641 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 47029248, while the sum is 67.

The spelling of 808099697641 in words is "eight hundred eight billion, ninety-nine million, six hundred ninety-seven thousand, six hundred forty-one".