9822749684 has 24 divisors (see below), whose sum is σ = 18867582048. Its totient is φ = 4437491040.

The previous prime is 9822749681. The next prime is 9822749723. The reversal of 9822749684 is 4869472289.

It is a super-2 number, since 2×9822749684² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9822749681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 677627 + ... + 691970.

It is an arithmetic number, because the mean of its divisors is an integer number (786149252).

Almost surely, 2^9822749684 is an apocalyptic number.

It is an amenable number.

9822749684 is a deficient number, since it is larger than the sum of its proper divisors (9044832364).

9822749684 is a wasteful number, since it uses less digits than its factorization.

9822749684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1369775 (or 1369773 counting only the distinct ones).

The product of its digits is 13934592, while the sum is 59.

The square root of 9822749684 is about 99109.7860153073. The cubic root of 9822749684 is about 2141.6295914435.

The spelling of 9822749684 in words is "nine billion, eight hundred twenty-two million, seven hundred forty-nine thousand, six hundred eighty-four".