4742489820 has 96 divisors (see below), whose sum is σ = 13558466880. Its totient is φ = 1238149120.

The previous prime is 4742489789. The next prime is 4742489827. The reversal of 4742489820 is 289842474.

It is a self number, because there is not a number n which added to its sum of digits gives 4742489820.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4742489827) 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 31 ways as a sum of consecutive naturals, for example, 1808110 + ... + 1810730.

It is an arithmetic number, because the mean of its divisors is an integer number (141234030).

Almost surely, 2^4742489820 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 4742489820, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6779233440).

4742489820 is an abundant number, since it is smaller than the sum of its proper divisors (8815977060).

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

4742489820 is a wasteful number, since it uses less digits than its factorization.

4742489820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3255 (or 3253 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 48.

The square root of 4742489820 is about 68865.7376349081. The cubic root of 4742489820 is about 1680.1013048322.

The spelling of 4742489820 in words is "four billion, seven hundred forty-two million, four hundred eighty-nine thousand, eight hundred twenty".