89021419 has 2 divisors, whose sum is σ = 89021420. Its totient is φ = 89021418.

The previous prime is 89021407. The next prime is 89021437. The reversal of 89021419 is 91412098.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89021419 - 2⁹ = 89020907 is a prime.

It is a super-2 number, since 2×89021419² = 15849626081547122, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (89021489) 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, 44510709 + 44510710.

It is an arithmetic number, because the mean of its divisors is an integer number (44510710).

Almost surely, 2^89021419 is an apocalyptic number.

89021419 is a deficient number, since it is larger than the sum of its proper divisors (1).

89021419 is an equidigital number, since it uses as much as digits as its factorization.

89021419 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 34.

The square root of 89021419 is about 9435.1162684940. The cubic root of 89021419 is about 446.5103233055.

The spelling of 89021419 in words is "eighty-nine million, twenty-one thousand, four hundred nineteen".