4741538621 has 2 divisors, whose sum is σ = 4741538622. Its totient is φ = 4741538620.

The previous prime is 4741538587. The next prime is 4741538639. The reversal of 4741538621 is 1268351474.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4666802596 + 74736025 = 68314^2 + 8645^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4741538621 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4741538651) 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 as a sum of consecutive naturals, namely, 2370769310 + 2370769311.

It is an arithmetic number, because the mean of its divisors is an integer number (2370769311).

Almost surely, 2^4741538621 is an apocalyptic number.

It is an amenable number.

4741538621 is a deficient number, since it is larger than the sum of its proper divisors (1).

4741538621 is an equidigital number, since it uses as much as digits as its factorization.

4741538621 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 161280, while the sum is 41.

The square root of 4741538621 is about 68858.8311039332. The cubic root of 4741538621 is about 1679.9889716066.

The spelling of 4741538621 in words is "four billion, seven hundred forty-one million, five hundred thirty-eight thousand, six hundred twenty-one".