4776212921 has 2 divisors, whose sum is σ = 4776212922. Its totient is φ = 4776212920.

The previous prime is 4776212893. The next prime is 4776212927. The reversal of 4776212921 is 1292126774.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3989690896 + 786522025 = 63164^2 + 28045^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4776212921 is a prime.

It is not a weakly prime, because it can be changed into another prime (4776212927) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2388106460 + 2388106461.

It is an arithmetic number, because the mean of its divisors is an integer number (2388106461).

Almost surely, 2^4776212921 is an apocalyptic number.

It is an amenable number.

4776212921 is a deficient number, since it is larger than the sum of its proper divisors (1).

4776212921 is an equidigital number, since it uses as much as digits as its factorization.

4776212921 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 41.

The square root of 4776212921 is about 69110.1506365020. The cubic root of 4776212921 is about 1684.0742150017.

The spelling of 4776212921 in words is "four billion, seven hundred seventy-six million, two hundred twelve thousand, nine hundred twenty-one".