9867449264 has 80 divisors (see below), whose sum is σ = 20820729888. Its totient is φ = 4512608256.

The previous prime is 9867449237. The next prime is 9867449269. The reversal of 9867449264 is 4629447689.

It is a super-2 number, since 2×9867449264² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9867449269) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1539314 + ... + 1545710.

Almost surely, 2^9867449264 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9867449264, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10410364944).

9867449264 is an abundant number, since it is smaller than the sum of its proper divisors (10953280624).

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

9867449264 is a wasteful number, since it uses less digits than its factorization.

9867449264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6582 (or 6576 counting only the distinct ones).

The product of its digits is 20901888, while the sum is 59.

The square root of 9867449264 is about 99335.0354306073. The cubic root of 9867449264 is about 2144.8732554615.

The spelling of 9867449264 in words is "nine billion, eight hundred sixty-seven million, four hundred forty-nine thousand, two hundred sixty-four".