4719891456 has 264 divisors, whose sum is σ = 16257830784. Its totient is φ = 1289502720.

The previous prime is 4719891443. The next prime is 4719891457. The reversal of 4719891456 is 6541989174.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4719891457) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1482186 + ... + 1485366.

Almost surely, 2^4719891456 is an apocalyptic number.

4719891456 is a gapful number since it is divisible by the number (46) 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 4719891456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8128915392).

4719891456 is an abundant number, since it is smaller than the sum of its proper divisors (11537939328).

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

4719891456 is a wasteful number, since it uses less digits than its factorization.

4719891456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3237 (or 3216 counting only the distinct ones).

The product of its digits is 2177280, while the sum is 54.

The square root of 4719891456 is about 68701.4661852278. The cubic root of 4719891456 is about 1677.4284467189.

The spelling of 4719891456 in words is "four billion, seven hundred nineteen million, eight hundred ninety-one thousand, four hundred fifty-six".