89040362443 has 4 divisors (see below), whose sum is σ = 94278030840. Its totient is φ = 83802694048.

The previous prime is 89040362419. The next prime is 89040362449. The reversal of 89040362443 is 34426304098.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-89040362443 is a prime.

It is a super-2 number, since 2×89040362443² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 89040362443.

It is not an unprimeable number, because it can be changed into a prime (89040362449) 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, 2618834173 + ... + 2618834206.

It is an arithmetic number, because the mean of its divisors is an integer number (23569507710).

Almost surely, 2^89040362443 is an apocalyptic number.

89040362443 is a deficient number, since it is larger than the sum of its proper divisors (5237668397).

89040362443 is a wasteful number, since it uses less digits than its factorization.

89040362443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5237668396.

The product of its (nonzero) digits is 497664, while the sum is 43.

The spelling of 89040362443 in words is "eighty-nine billion, forty million, three hundred sixty-two thousand, four hundred forty-three".