89453669 has 2 divisors, whose sum is σ = 89453670. Its totient is φ = 89453668.

The previous prime is 89453627. The next prime is 89453671. The reversal of 89453669 is 96635498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 89397025 + 56644 = 9455^2 + 238^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89453669 is a prime.

It is a super-2 number, since 2×89453669² = 16003917795123122, which contains 22 as substring.

Together with 89453671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89453699) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44726834 + 44726835.

It is an arithmetic number, because the mean of its divisors is an integer number (44726835).

Almost surely, 2^89453669 is an apocalyptic number.

It is an amenable number.

89453669 is a deficient number, since it is larger than the sum of its proper divisors (1).

89453669 is an equidigital number, since it uses as much as digits as its factorization.

89453669 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1399680, while the sum is 50.

The square root of 89453669 is about 9457.9949777952. The cubic root of 89453669 is about 447.2318445886.

The spelling of 89453669 in words is "eighty-nine million, four hundred fifty-three thousand, six hundred sixty-nine".