4559424021 has 36 divisors (see below), whose sum is σ = 7289732268. Its totient is φ = 2736383232.

The previous prime is 4559423927. The next prime is 4559424047. The reversal of 4559424021 is 1204249554.

It is a happy number.

4559424021 is a `hidden beast` number, since 4 + 5 + 594 + 2 + 40 + 21 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 1466507025 + 3092916996 = 38295^2 + 55614^2 .

It is not a de Polignac number, because 4559424021 - 2⁹ = 4559423509 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4559426021) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 52771 + ... + 109103.

It is an arithmetic number, because the mean of its divisors is an integer number (202492563).

Almost surely, 2^4559424021 is an apocalyptic number.

It is an amenable number.

4559424021 is a deficient number, since it is larger than the sum of its proper divisors (2730308247).

4559424021 is a wasteful number, since it uses less digits than its factorization.

4559424021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 56402 (or 56376 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 36.

The square root of 4559424021 is about 67523.5071734281. The cubic root of 4559424021 is about 1658.1990461286.

The spelling of 4559424021 in words is "four billion, five hundred fifty-nine million, four hundred twenty-four thousand, twenty-one".