89553067309 has 2 divisors, whose sum is σ = 89553067310. Its totient is φ = 89553067308.

The previous prime is 89553067301. The next prime is 89553067363. The reversal of 89553067309 is 90376035598.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 89518844809 + 34222500 = 299197^2 + 5850^2 .

It is a cyclic number.

It is not a de Polignac number, because 89553067309 - 2³ = 89553067301 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 89553067309.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (89553067301) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 44776533654 + 44776533655.

It is an arithmetic number, because the mean of its divisors is an integer number (44776533655).

Almost surely, 2^89553067309 is an apocalyptic number.

It is an amenable number.

89553067309 is a deficient number, since it is larger than the sum of its proper divisors (1).

89553067309 is an equidigital number, since it uses as much as digits as its factorization.

89553067309 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6123600, while the sum is 55.

The spelling of 89553067309 in words is "eighty-nine billion, five hundred fifty-three million, sixty-seven thousand, three hundred nine".