4741616921 has 4 divisors (see below), whose sum is σ = 4741768500. Its totient is φ = 4741465344.

The previous prime is 4741616917. The next prime is 4741616947. The reversal of 4741616921 is 1296161474.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1296161474 = 2 ⋅648080737.

It can be written as a sum of positive squares in 2 ways, for example, as 25361296 + 4716255625 = 5036^2 + 68675^2 .

It is a cyclic number.

It is not a de Polignac number, because 4741616921 - 2² = 4741616917 is a prime.

It is an alternating number because its digits alternate between even and odd.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4741616981) 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 3 ways as a sum of consecutive naturals, for example, 9596 + ... + 97853.

It is an arithmetic number, because the mean of its divisors is an integer number (1185442125).

Almost surely, 2^4741616921 is an apocalyptic number.

It is an amenable number.

4741616921 is a deficient number, since it is larger than the sum of its proper divisors (151579).

4741616921 is a wasteful number, since it uses less digits than its factorization.

4741616921 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151578.

The product of its digits is 72576, while the sum is 41.

The square root of 4741616921 is about 68859.3996561109. The cubic root of 4741616921 is about 1679.9982191260.

The spelling of 4741616921 in words is "four billion, seven hundred forty-one million, six hundred sixteen thousand, nine hundred twenty-one".