89213923969 has 3 divisors (see below), whose sum is σ = 89214222657. Its totient is φ = 89213625282.

The previous prime is 89213923961. The next prime is 89213923973. The reversal of 89213923969 is 96932931298.

The square root of 89213923969 is 298687.

It is a perfect power (a square), and thus also a powerful number.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is not a de Polignac number, because 89213923969 - 2³ = 89213923961 is a prime.

It is a super-2 number, since 2×89213923969² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (89213923961) by changing a digit.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 149344 + ... + 448030.

It is an arithmetic number, because the mean of its divisors is an integer number (29738074219).

Almost surely, 2^89213923969 is an apocalyptic number.

89213923969 is the 298687-th square number.

89213923969 is the 149344-th centered octagonal number.

It is an amenable number.

89213923969 is a deficient number, since it is larger than the sum of its proper divisors (298688).

89213923969 is an frugal number, since it uses more digits than its factorization.

89213923969 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 597374 (or 298687 counting only the distinct ones).

The product of its digits is 11337408, while the sum is 61.

The spelling of 89213923969 in words is "eighty-nine billion, two hundred thirteen million, nine hundred twenty-three thousand, nine hundred sixty-nine".