9869725922 has 12 divisors (see below), whose sum is σ = 17221664790. Its totient is φ = 4229882496.

The previous prime is 9869725871. The next prime is 9869725949. The reversal of 9869725922 is 2295279689.

It can be written as a sum of positive squares in only one way, i.e., 7397548081 + 2472177841 = 86009^2 + 49721^2 .

It is a super-2 number, since 2×9869725922² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 50355647 + ... + 50355842.

Almost surely, 2^9869725922 is an apocalyptic number.

9869725922 is a deficient number, since it is larger than the sum of its proper divisors (7351938868).

9869725922 is a wasteful number, since it uses less digits than its factorization.

9869725922 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100711505 (or 100711498 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 59.

The square root of 9869725922 is about 99346.4942612471. The cubic root of 9869725922 is about 2145.0382007349.

The spelling of 9869725922 in words is "nine billion, eight hundred sixty-nine million, seven hundred twenty-five thousand, nine hundred twenty-two".