4284725539 has 2 divisors, whose sum is σ = 4284725540. Its totient is φ = 4284725538.

The previous prime is 4284725521. The next prime is 4284725551. The reversal of 4284725539 is 9355274824.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4284725539 - 2⁵ = 4284725507 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4284725492 and 4284725501.

It is not a weakly prime, because it can be changed into another prime (4284725569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2142362769 + 2142362770.

It is an arithmetic number, because the mean of its divisors is an integer number (2142362770).

Almost surely, 2^4284725539 is an apocalyptic number.

4284725539 is a deficient number, since it is larger than the sum of its proper divisors (1).

4284725539 is an equidigital number, since it uses as much as digits as its factorization.

4284725539 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2419200, while the sum is 49.

The square root of 4284725539 is about 65457.8149574212. The cubic root of 4284725539 is about 1624.2055969079.

It can be divided in two parts, 42847 and 25539, that added together give a palindrome (68386).

The spelling of 4284725539 in words is "four billion, two hundred eighty-four million, seven hundred twenty-five thousand, five hundred thirty-nine".