9899267630 has 24 divisors (see below), whose sum is σ = 20727855288. Its totient is φ = 3394034448.

The previous prime is 9899267629. The next prime is 9899267639. The reversal of 9899267630 is 367629989.

It is a super-2 number, since 2×9899267630² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9899267630.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9899267639) 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, 10100804 + ... + 10101783.

It is an arithmetic number, because the mean of its divisors is an integer number (863660637).

Almost surely, 2^9899267630 is an apocalyptic number.

9899267630 is an abundant number, since it is smaller than the sum of its proper divisors (10828587658).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9899267630 is a wasteful number, since it uses less digits than its factorization.

9899267630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20202608 (or 20202601 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 59.

The square root of 9899267630 is about 99495.0633448715. The cubic root of 9899267630 is about 2147.1762193554.

The spelling of 9899267630 in words is "nine billion, eight hundred ninety-nine million, two hundred sixty-seven thousand, six hundred thirty".