289474063945 has 32 divisors (see below), whose sum is σ = 381965053824. Its totient is φ = 208856793600.

The previous prime is 289474063937. The next prime is 289474063993. The reversal of 289474063945 is 549360474982.

It is a happy number.

It is not a de Polignac number, because 289474063945 - 2³ = 289474063937 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 3592519 + ... + 3672211.

It is an arithmetic number, because the mean of its divisors is an integer number (11936407932).

Almost surely, 2^289474063945 is an apocalyptic number.

It is an amenable number.

289474063945 is a deficient number, since it is larger than the sum of its proper divisors (92490989879).

289474063945 is a wasteful number, since it uses less digits than its factorization.

289474063945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 80233.

The product of its (nonzero) digits is 52254720, while the sum is 61.

The spelling of 289474063945 in words is "two hundred eighty-nine billion, four hundred seventy-four million, sixty-three thousand, nine hundred forty-five".