289470812816 has 20 divisors (see below), whose sum is σ = 567949065600. Its totient is φ = 142903312032.

The previous prime is 289470812809. The next prime is 289470812819. The reversal of 289470812816 is 618218074982.

It is a Smith number, since the sum of its digits (56) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (289470812819) 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, 114504596 + ... + 114507123.

It is an arithmetic number, because the mean of its divisors is an integer number (28397453280).

Almost surely, 2^289470812816 is an apocalyptic number.

It is an amenable number.

289470812816 is a deficient number, since it is larger than the sum of its proper divisors (278478252784).

289470812816 is a wasteful number, since it uses less digits than its factorization.

289470812816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229011806 (or 229011800 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 56.

The spelling of 289470812816 in words is "two hundred eighty-nine billion, four hundred seventy million, eight hundred twelve thousand, eight hundred sixteen".