289810997073 has 12 divisors (see below), whose sum is σ = 450817106740. Its totient is φ = 178345228896.

The previous prime is 289810997041. The next prime is 289810997081. The reversal of 289810997073 is 370799018982.

It can be written as a sum of positive squares in 2 ways, for example, as 82410907329 + 207400089744 = 287073^2 + 455412^2 .

It is not a de Polignac number, because 289810997073 - 2⁵ = 289810997041 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 289810997073.

It is not an unprimeable number, because it can be changed into a prime (289810997173) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1238508418 + ... + 1238508651.

Almost surely, 2^289810997073 is an apocalyptic number.

It is an amenable number.

289810997073 is a deficient number, since it is larger than the sum of its proper divisors (161006109667).

289810997073 is a wasteful number, since it uses less digits than its factorization.

289810997073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2477017088 (or 2477017085 counting only the distinct ones).

The product of its (nonzero) digits is 13716864, while the sum is 63.

The spelling of 289810997073 in words is "two hundred eighty-nine billion, eight hundred ten million, nine hundred ninety-seven thousand, seventy-three".