6389464078720 has 192 divisors, whose sum is σ = 16231072442400. Its totient is φ = 2396869410816.

The previous prime is 6389464078643. The next prime is 6389464078783. The reversal of 6389464078720 is 278704649836.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4995671041 + ... + 4995672319.

Almost surely, 2^{6389464078720} 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 6389464078720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8115536221200).

6389464078720 is an abundant number, since it is smaller than the sum of its proper divisors (9841608363680).

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

6389464078720 is an equidigital number, since it uses as much as digits as its factorization.

6389464078720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2953 (or 1662 counting only the distinct ones).

The product of its (nonzero) digits is 97542144, while the sum is 64.

The spelling of 6389464078720 in words is "six trillion, three hundred eighty-nine billion, four hundred sixty-four million, seventy-eight thousand, seven hundred twenty".