89419543 has 2 divisors, whose sum is σ = 89419544. Its totient is φ = 89419542.

The previous prime is 89419493. The next prime is 89419549. The reversal of 89419543 is 34591498.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89419543 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89419543.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89419549) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44709771 + 44709772.

It is an arithmetic number, because the mean of its divisors is an integer number (44709772).

Almost surely, 2^89419543 is an apocalyptic number.

89419543 is a deficient number, since it is larger than the sum of its proper divisors (1).

89419543 is an equidigital number, since it uses as much as digits as its factorization.

89419543 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 155520, while the sum is 43.

The square root of 89419543 is about 9456.1907235419. The cubic root of 89419543 is about 447.1749653299.

The spelling of 89419543 in words is "eighty-nine million, four hundred nineteen thousand, five hundred forty-three".