250830800109 has 24 divisors (see below), whose sum is σ = 366615901080. Its totient is φ = 165241959552.

The previous prime is 250830800071. The next prime is 250830800183. The reversal of 250830800109 is 901008038052.

It can be written as a sum of positive squares in 4 ways, for example, as 83940575625 + 166890224484 = 289725^2 + 408522^2 .

It is not a de Polignac number, because 250830800109 - 2¹¹ = 250830798061 is a prime.

It is a super-2 number, since 2×250830800109² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (250830800509) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 23167 + ... + 708659.

It is an arithmetic number, because the mean of its divisors is an integer number (15275662545).

Almost surely, 2^250830800109 is an apocalyptic number.

It is an amenable number.

250830800109 is a deficient number, since it is larger than the sum of its proper divisors (115785100971).

250830800109 is a wasteful number, since it uses less digits than its factorization.

250830800109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 685981 (or 685978 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The spelling of 250830800109 in words is "two hundred fifty billion, eight hundred thirty million, eight hundred thousand, one hundred nine".