9321491464320 has 384 divisors, whose sum is σ = 35215389627840. Its totient is φ = 2090424999936.

The previous prime is 9321491464319. The next prime is 9321491464349. The reversal of 9321491464320 is 234641941239.

It is a tau number, because it is divible by the number of its divisors (384).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a self number, because there is not a number n which added to its sum of digits gives 9321491464320.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 4051519 + ... + 5920961.

Almost surely, 2^{9321491464320} 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 9321491464320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17607694813920).

9321491464320 is an abundant number, since it is smaller than the sum of its proper divisors (25893898163520).

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

9321491464320 is a wasteful number, since it uses less digits than its factorization.

9321491464320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1869532 (or 1869513 counting only the distinct ones).

The product of its (nonzero) digits is 1119744, while the sum is 48.

The spelling of 9321491464320 in words is "nine trillion, three hundred twenty-one billion, four hundred ninety-one million, four hundred sixty-four thousand, three hundred twenty".