89843281919 has 12 divisors (see below), whose sum is σ = 92937246192. Its totient is φ = 86800572000.

The previous prime is 89843281903. The next prime is 89843281921. The reversal of 89843281919 is 91918234898.

It is not a de Polignac number, because 89843281919 - 2⁴ = 89843281903 is a prime.

It is a super-2 number, since 2×89843281919² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (89843281519) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 331694 + ... + 538244.

It is an arithmetic number, because the mean of its divisors is an integer number (7744770516).

Almost surely, 2^89843281919 is an apocalyptic number.

89843281919 is a deficient number, since it is larger than the sum of its proper divisors (3093964273).

89843281919 is a wasteful number, since it uses less digits than its factorization.

89843281919 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 206798 (or 206695 counting only the distinct ones).

The product of its digits is 8957952, while the sum is 62.

The spelling of 89843281919 in words is "eighty-nine billion, eight hundred forty-three million, two hundred eighty-one thousand, nine hundred nineteen".