8201899231 has 2 divisors, whose sum is σ = 8201899232. Its totient is φ = 8201899230.

The previous prime is 8201899213. The next prime is 8201899253. The reversal of 8201899231 is 1329981028.

Together with previous prime (8201899213) it forms an Ormiston pair, because they use the same digits, order apart.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 8201899231 - 2¹⁹ = 8201374943 is a prime.

It is a super-2 number, since 2×8201899231² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8201899201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4100949615 + 4100949616.

It is an arithmetic number, because the mean of its divisors is an integer number (4100949616).

Almost surely, 2^8201899231 is an apocalyptic number.

8201899231 is a deficient number, since it is larger than the sum of its proper divisors (1).

8201899231 is an equidigital number, since it uses as much as digits as its factorization.

8201899231 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 62208, while the sum is 43.

The square root of 8201899231 is about 90564.3375231112. The cubic root of 8201899231 is about 2016.6853483900.

The spelling of 8201899231 in words is "eight billion, two hundred one million, eight hundred ninety-nine thousand, two hundred thirty-one".