4921847944 has 32 divisors (see below), whose sum is σ = 9941541120. Its totient is φ = 2270892096.

The previous prime is 4921847933. The next prime is 4921847969. The reversal of 4921847944 is 4497481294.

It is a Harshad number since it is a multiple of its sum of digits (52).

It is a junction number, because it is equal to n+sod(n) for n = 4921847891 and 4921847900.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 448329 + ... + 459175.

It is an arithmetic number, because the mean of its divisors is an integer number (310673160).

Almost surely, 2^4921847944 is an apocalyptic number.

It is an amenable number.

4921847944 is an abundant number, since it is smaller than the sum of its proper divisors (5019693176).

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

4921847944 is a wasteful number, since it uses less digits than its factorization.

4921847944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15229 (or 15225 counting only the distinct ones).

The product of its digits is 2322432, while the sum is 52.

The square root of 4921847944 is about 70155.8831745421. The cubic root of 4921847944 is about 1701.0199120892.

The spelling of 4921847944 in words is "four billion, nine hundred twenty-one million, eight hundred forty-seven thousand, nine hundred forty-four".