4382728697 has 2 divisors, whose sum is σ = 4382728698. Its totient is φ = 4382728696.

The previous prime is 4382728663. The next prime is 4382728711. The reversal of 4382728697 is 7968272834.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2461747456 + 1920981241 = 49616^2 + 43829^2 .

It is a cyclic number.

It is not a de Polignac number, because 4382728697 - 2¹⁰ = 4382727673 is a prime.

It is not a weakly prime, because it can be changed into another prime (4382728627) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2191364348 + 2191364349.

It is an arithmetic number, because the mean of its divisors is an integer number (2191364349).

Almost surely, 2^4382728697 is an apocalyptic number.

It is an amenable number.

4382728697 is a deficient number, since it is larger than the sum of its proper divisors (1).

4382728697 is an equidigital number, since it uses as much as digits as its factorization.

4382728697 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8128512, while the sum is 56.

The square root of 4382728697 is about 66202.1804550273. The cubic root of 4382728697 is about 1636.4956773087.

The spelling of 4382728697 in words is "four billion, three hundred eighty-two million, seven hundred twenty-eight thousand, six hundred ninety-seven".