4771670921 has 2 divisors, whose sum is σ = 4771670922. Its totient is φ = 4771670920.

The previous prime is 4771670881. The next prime is 4771670927. The reversal of 4771670921 is 1290761774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2989902400 + 1781768521 = 54680^2 + 42211^2 .

It is a cyclic number.

It is not a de Polignac number, because 4771670921 - 2¹⁰ = 4771669897 is a prime.

It is not a weakly prime, because it can be changed into another prime (4771670927) 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, 2385835460 + 2385835461.

It is an arithmetic number, because the mean of its divisors is an integer number (2385835461).

Almost surely, 2^4771670921 is an apocalyptic number.

It is an amenable number.

4771670921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4771670921 is an equidigital number, since it uses as much as digits as its factorization.

4771670921 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 148176, while the sum is 44.

The square root of 4771670921 is about 69077.2822351893. The cubic root of 4771670921 is about 1683.5402151465.

The spelling of 4771670921 in words is "four billion, seven hundred seventy-one million, six hundred seventy thousand, nine hundred twenty-one".