89146913 has 2 divisors, whose sum is σ = 89146914. Its totient is φ = 89146912.

The previous prime is 89146909. The next prime is 89146933. The reversal of 89146913 is 31964198.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 85525504 + 3621409 = 9248^2 + 1903^2 .

It is a cyclic number.

It is not a de Polignac number, because 89146913 - 2² = 89146909 is a prime.

It is not a weakly prime, because it can be changed into another prime (89146903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44573456 + 44573457.

It is an arithmetic number, because the mean of its divisors is an integer number (44573457).

Almost surely, 2^89146913 is an apocalyptic number.

It is an amenable number.

89146913 is a deficient number, since it is larger than the sum of its proper divisors (1).

89146913 is an equidigital number, since it uses as much as digits as its factorization.

89146913 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 46656, while the sum is 41.

The square root of 89146913 is about 9441.7642948762. The cubic root of 89146913 is about 446.7200408360.

The spelling of 89146913 in words is "eighty-nine million, one hundred forty-six thousand, nine hundred thirteen".