8862189625249 has 9 divisors (see below), whose sum is σ = 8891528657139. Its totient is φ = 8832947114160.

The previous prime is 8862189625231. The next prime is 8862189625259. The reversal of 8862189625249 is 9425269812688.

The square root of 8862189625249 is 2976943.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 56536950625 + 8805652674624 = 237775^2 + 2967432^2 .

It is not a de Polignac number, because 8862189625249 - 2¹⁷ = 8862189494177 is a prime.

It is a super-2 number, since 2×8862189625249² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (8862189625259) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 931778404 + ... + 931787914.

It is an arithmetic number, because the mean of its divisors is an integer number (987947628571).

Almost surely, 2^{8862189625249} is an apocalyptic number.

8862189625249 is the 2976943-rd square number.

8862189625249 is the 1488472-nd centered octagonal number.

It is an amenable number.

8862189625249 is a deficient number, since it is larger than the sum of its proper divisors (29339031890).

8862189625249 is an frugal number, since it uses more digits than its factorization.

8862189625249 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19648 (or 9824 counting only the distinct ones).

The product of its digits is 238878720, while the sum is 70.

The spelling of 8862189625249 in words is "eight trillion, eight hundred sixty-two billion, one hundred eighty-nine million, six hundred twenty-five thousand, two hundred forty-nine".