4065624473 has 2 divisors, whose sum is σ = 4065624474. Its totient is φ = 4065624472.

The previous prime is 4065624421. The next prime is 4065624523. The reversal of 4065624473 is 3744265604.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2707849369 + 1357775104 = 52037^2 + 36848^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4065624473 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4065624473.

It is not a weakly prime, because it can be changed into another prime (4065624413) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2032812236 + 2032812237.

It is an arithmetic number, because the mean of its divisors is an integer number (2032812237).

Almost surely, 2^4065624473 is an apocalyptic number.

It is an amenable number.

4065624473 is a deficient number, since it is larger than the sum of its proper divisors (1).

4065624473 is an equidigital number, since it uses as much as digits as its factorization.

4065624473 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 41.

The square root of 4065624473 is about 63762.2495917451. The cubic root of 4065624473 is about 1596.0350357832.

The spelling of 4065624473 in words is "four billion, sixty-five million, six hundred twenty-four thousand, four hundred seventy-three".