89349441721 has 16 divisors (see below), whose sum is σ = 95329785600. Its totient is φ = 83450158848.

The previous prime is 89349441661. The next prime is 89349441737. The reversal of 89349441721 is 12714494398.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 89349441721 - 2³¹ = 87201958073 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89349441761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 6001675 + ... + 6016543.

It is an arithmetic number, because the mean of its divisors is an integer number (5958111600).

Almost surely, 2^89349441721 is an apocalyptic number.

It is an amenable number.

89349441721 is a deficient number, since it is larger than the sum of its proper divisors (5980343879).

89349441721 is a wasteful number, since it uses less digits than its factorization.

89349441721 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17568.

The product of its digits is 1741824, while the sum is 52.

The spelling of 89349441721 in words is "eighty-nine billion, three hundred forty-nine million, four hundred forty-one thousand, seven hundred twenty-one".