4921594506 has 40 divisors (see below), whose sum is σ = 11060864100. Its totient is φ = 1635645312.

The previous prime is 4921594499. The next prime is 4921594507. The reversal of 4921594506 is 6054951294.

4921594506 is a `hidden beast` number, since 4 + 9 + 2 + 1 + 594 + 50 + 6 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4084360281 + 837234225 = 63909^2 + 28935^2 .

It is not an unprimeable number, because it can be changed into a prime (4921594507) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 9520 + ... + 99668.

Almost surely, 2^4921594506 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4921594506, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5530432050).

4921594506 is an abundant number, since it is smaller than the sum of its proper divisors (6139269594).

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

4921594506 is a wasteful number, since it uses less digits than its factorization.

4921594506 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90500 (or 90491 counting only the distinct ones).

The product of its (nonzero) digits is 388800, while the sum is 45.

The square root of 4921594506 is about 70154.0769022015. The cubic root of 4921594506 is about 1700.9907150282.

The spelling of 4921594506 in words is "four billion, nine hundred twenty-one million, five hundred ninety-four thousand, five hundred six".