4425131233445 has 16 divisors (see below), whose sum is σ = 5718742171632. Its totient is φ = 3267725767680.

The previous prime is 4425131233421. The next prime is 4425131233447. The reversal of 4425131233445 is 5443321315244.

It can be written as a sum of positive squares in 8 ways, for example, as 550871230849 + 3874260002596 = 742207^2 + 1968314^2 .

It is not a de Polignac number, because 4425131233445 - 2⁸ = 4425131233189 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4425131233447) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2855159 + ... + 4123371.

It is an arithmetic number, because the mean of its divisors is an integer number (357421385727).

Almost surely, 2^{4425131233445} is an apocalyptic number.

It is an amenable number.

4425131233445 is a deficient number, since it is larger than the sum of its proper divisors (1293610938187).

4425131233445 is a wasteful number, since it uses less digits than its factorization.

4425131233445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1321912.

The product of its digits is 691200, while the sum is 41.

Adding to 4425131233445 its reverse (5443321315244), we get a palindrome (9868452548689).

The spelling of 4425131233445 in words is "four trillion, four hundred twenty-five billion, one hundred thirty-one million, two hundred thirty-three thousand, four hundred forty-five".