896641819 has 2 divisors, whose sum is σ = 896641820. Its totient is φ = 896641818.

The previous prime is 896641793. The next prime is 896641841. The reversal of 896641819 is 918146698.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 896641819 - 2⁹ = 896641307 is a prime.

It is a super-2 number, since 2×896641819² = 1607933103159257522, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (896641849) 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, 448320909 + 448320910.

It is an arithmetic number, because the mean of its divisors is an integer number (448320910).

Almost surely, 2^896641819 is an apocalyptic number.

896641819 is a deficient number, since it is larger than the sum of its proper divisors (1).

896641819 is an equidigital number, since it uses as much as digits as its factorization.

896641819 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 746496, while the sum is 52.

The square root of 896641819 is about 29943.9780089420. The cubic root of 896641819 is about 964.2870404758.

The spelling of 896641819 in words is "eight hundred ninety-six million, six hundred forty-one thousand, eight hundred nineteen".