4491513936 has 320 divisors, whose sum is σ = 16136189440. Its totient is φ = 1164533760.

The previous prime is 4491513919. The next prime is 4491513947. The reversal of 4491513936 is 6393151944.

4491513936 is a `hidden beast` number, since 4 + 49 + 1 + 513 + 93 + 6 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 4491513891 and 4491513900.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2397096 + ... + 2398968.

It is an arithmetic number, because the mean of its divisors is an integer number (50425592).

Almost surely, 2^4491513936 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 4491513936, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8068094720).

4491513936 is an abundant number, since it is smaller than the sum of its proper divisors (11644675504).

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

4491513936 is a wasteful number, since it uses less digits than its factorization.

4491513936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1971 (or 1959 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 4491513936 is about 67018.7580905525. The cubic root of 4491513936 is about 1649.9251800784.

The spelling of 4491513936 in words is "four billion, four hundred ninety-one million, five hundred thirteen thousand, nine hundred thirty-six".