4473128761 has 2 divisors, whose sum is σ = 4473128762. Its totient is φ = 4473128760.

The previous prime is 4473128749. The next prime is 4473128771. The reversal of 4473128761 is 1678213744.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4469724736 + 3404025 = 66856^2 + 1845^2 .

It is a cyclic number.

It is not a de Polignac number, because 4473128761 - 2⁵ = 4473128729 is a prime.

It is not a weakly prime, because it can be changed into another prime (4473128771) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2236564380 + 2236564381.

It is an arithmetic number, because the mean of its divisors is an integer number (2236564381).

Almost surely, 2^4473128761 is an apocalyptic number.

It is an amenable number.

4473128761 is a deficient number, since it is larger than the sum of its proper divisors (1).

4473128761 is an equidigital number, since it uses as much as digits as its factorization.

4473128761 is an evil number, because the sum of its binary digits is even.

The product of its digits is 225792, while the sum is 43.

The square root of 4473128761 is about 66881.4530419308. The cubic root of 4473128761 is about 1647.6708810406.

The spelling of 4473128761 in words is "four billion, four hundred seventy-three million, one hundred twenty-eight thousand, seven hundred sixty-one".