89228181439 has 2 divisors, whose sum is σ = 89228181440. Its totient is φ = 89228181438.

The previous prime is 89228181437. The next prime is 89228181451. The reversal of 89228181439 is 93418182298.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 89228181439 - 2¹ = 89228181437 is a prime.

It is a super-2 number, since 2×89228181439² (a number of 23 digits) contains 22 as substring.

Together with 89228181437, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 89228181439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89228181437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44614090719 + 44614090720.

It is an arithmetic number, because the mean of its divisors is an integer number (44614090720).

Almost surely, 2^89228181439 is an apocalyptic number.

89228181439 is a deficient number, since it is larger than the sum of its proper divisors (1).

89228181439 is an equidigital number, since it uses as much as digits as its factorization.

89228181439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1990656, while the sum is 55.

The spelling of 89228181439 in words is "eighty-nine billion, two hundred twenty-eight million, one hundred eighty-one thousand, four hundred thirty-nine".