89413019 has 2 divisors, whose sum is σ = 89413020. Its totient is φ = 89413018.

The previous prime is 89412991. The next prime is 89413033. The reversal of 89413019 is 91031498.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 89413019 - 2²⁰ = 88364443 is a prime.

It is a super-2 number, since 2×89413019² = 15989375933388722, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89413019.

It is not a weakly prime, because it can be changed into another prime (89413099) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44706509 + 44706510.

It is an arithmetic number, because the mean of its divisors is an integer number (44706510).

Almost surely, 2^89413019 is an apocalyptic number.

89413019 is a deficient number, since it is larger than the sum of its proper divisors (1).

89413019 is an equidigital number, since it uses as much as digits as its factorization.

89413019 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7776, while the sum is 35.

The square root of 89413019 is about 9455.8457580483. The cubic root of 89413019 is about 447.1640898533.

The spelling of 89413019 in words is "eighty-nine million, four hundred thirteen thousand, nineteen".