289429831290 has 64 divisors (see below), whose sum is σ = 718792704000. Its totient is φ = 74498264064.

The previous prime is 289429831267. The next prime is 289429831291. The reversal of 289429831290 is 92138924982.

It is a happy number.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 289429831290.

It is not an unprimeable number, because it can be changed into a prime (289429831291) 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, 3070786 + ... + 3163634.

It is an arithmetic number, because the mean of its divisors is an integer number (11231136000).

Almost surely, 2^289429831290 is an apocalyptic number.

289429831290 is an abundant number, since it is smaller than the sum of its proper divisors (429362872710).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

289429831290 is a wasteful number, since it uses less digits than its factorization.

289429831290 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96471.

The product of its (nonzero) digits is 4478976, while the sum is 57.

The spelling of 289429831290 in words is "two hundred eighty-nine billion, four hundred twenty-nine million, eight hundred thirty-one thousand, two hundred ninety".