2289989664435 has 32 divisors (see below), whose sum is σ = 4016016403200. Its totient is φ = 1105035926400.

The previous prime is 2289989664433. The next prime is 2289989664439. The reversal of 2289989664435 is 5344669899822.

It is not a de Polignac number, because 2289989664435 - 2¹ = 2289989664433 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2289989664433) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 32853160 + ... + 32922789.

It is an arithmetic number, because the mean of its divisors is an integer number (125500512600).

Almost surely, 2^{2289989664435} is an apocalyptic number.

2289989664435 is a deficient number, since it is larger than the sum of its proper divisors (1726026738765).

2289989664435 is a wasteful number, since it uses less digits than its factorization.

2289989664435 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65776179.

The product of its digits is 1612431360, while the sum is 75.

The spelling of 2289989664435 in words is "two trillion, two hundred eighty-nine billion, nine hundred eighty-nine million, six hundred sixty-four thousand, four hundred thirty-five".