4976772181 has 2 divisors, whose sum is σ = 4976772182. Its totient is φ = 4976772180.

The previous prime is 4976772149. The next prime is 4976772197. The reversal of 4976772181 is 1812776794.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4842907281 + 133864900 = 69591^2 + 11570^2 .

It is a cyclic number.

It is not a de Polignac number, because 4976772181 - 2⁵ = 4976772149 is a prime.

It is a super-2 number, since 2×4976772181² = 49536522683150993522, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4976778181) 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, 2488386090 + 2488386091.

It is an arithmetic number, because the mean of its divisors is an integer number (2488386091).

Almost surely, 2^4976772181 is an apocalyptic number.

It is an amenable number.

4976772181 is a deficient number, since it is larger than the sum of its proper divisors (1).

4976772181 is an equidigital number, since it uses as much as digits as its factorization.

4976772181 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1185408, while the sum is 52.

The square root of 4976772181 is about 70546.2414377974. The cubic root of 4976772181 is about 1707.3239015600.

The spelling of 4976772181 in words is "four billion, nine hundred seventy-six million, seven hundred seventy-two thousand, one hundred eighty-one".