6219345984 has 168 divisors, whose sum is σ = 17482011264. Its totient is φ = 1949875200.

The previous prime is 6219345961. The next prime is 6219346013. The reversal of 6219345984 is 4895439126.

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, 6826489 + ... + 6827399.

Almost surely, 2^6219345984 is an apocalyptic number.

6219345984 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6219345984, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8741005632).

6219345984 is an abundant number, since it is smaller than the sum of its proper divisors (11262665280).

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

6219345984 is a wasteful number, since it uses less digits than its factorization.

6219345984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1025 (or 984 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 51.

The square root of 6219345984 is about 78862.8301800031. The cubic root of 6219345984 is about 1838.9993361759. Note that the first 3 decimals are identical.

The spelling of 6219345984 in words is "six billion, two hundred nineteen million, three hundred forty-five thousand, nine hundred eighty-four".