289883398516 has 12 divisors (see below), whose sum is σ = 508072821732. Its totient is φ = 144719735168.

The previous prime is 289883398433. The next prime is 289883398531. The reversal of 289883398516 is 615893388982.

It can be written as a sum of positive squares in 2 ways, for example, as 21088848400 + 268794550116 = 145220^2 + 518454^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 55488085 + ... + 55493308.

It is an arithmetic number, because the mean of its divisors is an integer number (42339401811).

Almost surely, 2^289883398516 is an apocalyptic number.

It is an amenable number.

289883398516 is a deficient number, since it is larger than the sum of its proper divisors (218189423216).

289883398516 is a wasteful number, since it uses less digits than its factorization.

289883398516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 110982050 (or 110982048 counting only the distinct ones).

The product of its digits is 179159040, while the sum is 70.

The spelling of 289883398516 in words is "two hundred eighty-nine billion, eight hundred eighty-three million, three hundred ninety-eight thousand, five hundred sixteen".