4797521456 has 80 divisors (see below), whose sum is σ = 11597216064. Its totient is φ = 1871880192.

The previous prime is 4797521441. The next prime is 4797521459. The reversal of 4797521456 is 6541257974.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (4797521459) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83720 + ... + 128856.

Almost surely, 2^4797521456 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 4797521456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5798608032).

4797521456 is an abundant number, since it is smaller than the sum of its proper divisors (6799694608).

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

4797521456 is a wasteful number, since it uses less digits than its factorization.

4797521456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45238 (or 45232 counting only the distinct ones).

The product of its digits is 2116800, while the sum is 50.

The square root of 4797521456 is about 69264.1426424958. The cubic root of 4797521456 is about 1686.5749354796.

The spelling of 4797521456 in words is "four billion, seven hundred ninety-seven million, five hundred twenty-one thousand, four hundred fifty-six".