89516621329 has 4 divisors (see below), whose sum is σ = 89520659440. Its totient is φ = 89512583220.

The previous prime is 89516621323. The next prime is 89516621339. The reversal of 89516621329 is 92312661598.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 89516621329 - 2¹¹ = 89516619281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89516621323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1985619 + ... + 2030200.

It is an arithmetic number, because the mean of its divisors is an integer number (22380164860).

Almost surely, 2^89516621329 is an apocalyptic number.

It is an amenable number.

89516621329 is a deficient number, since it is larger than the sum of its proper divisors (4038111).

89516621329 is a wasteful number, since it uses less digits than its factorization.

89516621329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4038110.

The product of its digits is 1399680, while the sum is 52.

The spelling of 89516621329 in words is "eighty-nine billion, five hundred sixteen million, six hundred twenty-one thousand, three hundred twenty-nine".