4973122921 has 16 divisors (see below), whose sum is σ = 5579320320. Its totient is φ = 4402673280.

The previous prime is 4973122919. The next prime is 4973122927. The reversal of 4973122921 is 1292213794.

It is a cyclic number.

It is not a de Polignac number, because 4973122921 - 2¹ = 4973122919 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4973122927) 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 15 ways as a sum of consecutive naturals, for example, 47625 + ... + 110518.

It is an arithmetic number, because the mean of its divisors is an integer number (348707520).

Almost surely, 2^4973122921 is an apocalyptic number.

4973122921 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

4973122921 is a deficient number, since it is larger than the sum of its proper divisors (606197399).

4973122921 is a wasteful number, since it uses less digits than its factorization.

4973122921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158256.

The product of its digits is 54432, while the sum is 40.

The square root of 4973122921 is about 70520.3723827377. The cubic root of 4973122921 is about 1706.9064963248.

The spelling of 4973122921 in words is "four billion, nine hundred seventy-three million, one hundred twenty-two thousand, nine hundred twenty-one".