4738011721 has 2 divisors, whose sum is σ = 4738011722. Its totient is φ = 4738011720.

The previous prime is 4738011713. The next prime is 4738011749. The reversal of 4738011721 is 1271108374.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4407499321 + 330512400 = 66389^2 + 18180^2 .

It is a cyclic number.

It is not a de Polignac number, because 4738011721 - 2³ = 4738011713 is a prime.

It is not a weakly prime, because it can be changed into another prime (4738011781) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2369005860 + 2369005861.

It is an arithmetic number, because the mean of its divisors is an integer number (2369005861).

Almost surely, 2^4738011721 is an apocalyptic number.

It is an amenable number.

4738011721 is a deficient number, since it is larger than the sum of its proper divisors (1).

4738011721 is an equidigital number, since it uses as much as digits as its factorization.

4738011721 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9408, while the sum is 34.

The square root of 4738011721 is about 68833.2166980448. The cubic root of 4738011721 is about 1679.5723260626.

The spelling of 4738011721 in words is "four billion, seven hundred thirty-eight million, eleven thousand, seven hundred twenty-one".