6321450398472 has 160 divisors (see below), whose sum is σ = 19332767314080. Its totient is φ = 1913882826240.

The previous prime is 6321450398447. The next prime is 6321450398513. The reversal of 6321450398472 is 2748930541236.

6321450398472 is a `hidden beast` number, since 6 + 3 + 2 + 1 + 4 + 503 + 98 + 47 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 7609888 + ... + 8399600.

It is an arithmetic number, because the mean of its divisors is an integer number (120829795713).

It is a 1-persistent number, because it is pandigital, but 2⋅6321450398472 = 12642900796944 is not.

Almost surely, 2^{6321450398472} 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 6321450398472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9666383657040).

6321450398472 is an abundant number, since it is smaller than the sum of its proper divisors (13011316915608).

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

6321450398472 is a wasteful number, since it uses less digits than its factorization.

6321450398472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 790865 (or 790852 counting only the distinct ones).

The product of its (nonzero) digits is 8709120, while the sum is 54.

The spelling of 6321450398472 in words is "six trillion, three hundred twenty-one billion, four hundred fifty million, three hundred ninety-eight thousand, four hundred seventy-two".