5919978624 has 192 divisors, whose sum is σ = 18380285760. Its totient is φ = 1653774336.

The previous prime is 5919978613. The next prime is 5919978677. The reversal of 5919978624 is 4268799195.

It is a tau number, because it is divible by the number of its divisors (192).

It is a super-2 number, since 2×5919978624² = 70092293817233866752, which contains 22 as substring.

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, 5937294 + ... + 5938290.

It is an arithmetic number, because the mean of its divisors is an integer number (95730655).

Almost surely, 2^5919978624 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 5919978624, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9190142880).

5919978624 is an abundant number, since it is smaller than the sum of its proper divisors (12460307136).

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

5919978624 is an equidigital number, since it uses as much as digits as its factorization.

5919978624 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1115 (or 1056 counting only the distinct ones).

The product of its digits is 9797760, while the sum is 60.

The square root of 5919978624 is about 76941.3973358945. The cubic root of 5919978624 is about 1809.0061619705.

The spelling of 5919978624 in words is "five billion, nine hundred nineteen million, nine hundred seventy-eight thousand, six hundred twenty-four".