4591128473 has 2 divisors, whose sum is σ = 4591128474. Its totient is φ = 4591128472.

The previous prime is 4591128433. The next prime is 4591128497. The reversal of 4591128473 is 3748211954.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 3738955609 + 852172864 = 61147^2 + 29192^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4591128473 is a prime.

It is not a weakly prime, because it can be changed into another prime (4591128433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2295564236 + 2295564237.

It is an arithmetic number, because the mean of its divisors is an integer number (2295564237).

Almost surely, 2^4591128473 is an apocalyptic number.

It is an amenable number.

4591128473 is a deficient number, since it is larger than the sum of its proper divisors (1).

4591128473 is an equidigital number, since it uses as much as digits as its factorization.

4591128473 is an evil number, because the sum of its binary digits is even.

The product of its digits is 241920, while the sum is 44.

The square root of 4591128473 is about 67757.8665027169. The cubic root of 4591128473 is about 1662.0336609595.

The spelling of 4591128473 in words is "four billion, five hundred ninety-one million, one hundred twenty-eight thousand, four hundred seventy-three".