9291798464 has 56 divisors (see below), whose sum is σ = 19974549840. Its totient is φ = 4288457472.

The previous prime is 9291798463. The next prime is 9291798479. The reversal of 9291798464 is 4648971929.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9291798463) 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, 107567 + ... + 173649.

It is an arithmetic number, because the mean of its divisors is an integer number (356688390).

Almost surely, 2^9291798464 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 9291798464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9987274920).

9291798464 is an abundant number, since it is smaller than the sum of its proper divisors (10682751376).

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

9291798464 is an equidigital number, since it uses as much as digits as its factorization.

9291798464 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 66134 (or 66098 counting only the distinct ones).

The product of its digits is 7838208, while the sum is 59.

The square root of 9291798464 is about 96393.9752474189. The cubic root of 9291798464 is about 2102.3253503948.

The spelling of 9291798464 in words is "nine billion, two hundred ninety-one million, seven hundred ninety-eight thousand, four hundred sixty-four".