4425136645 has 8 divisors (see below), whose sum is σ = 5323149720. Its totient is φ = 3531452160.

The previous prime is 4425136643. The next prime is 4425136657. The reversal of 4425136645 is 5466315244.

It can be written as a sum of positive squares in 4 ways, for example, as 836887041 + 3588249604 = 28929^2 + 59902^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4425136645 - 2¹ = 4425136643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4425136598 and 4425136607.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4425136643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1079896 + ... + 1083985.

It is an arithmetic number, because the mean of its divisors is an integer number (665393715).

Almost surely, 2^4425136645 is an apocalyptic number.

It is an amenable number.

4425136645 is a deficient number, since it is larger than the sum of its proper divisors (898013075).

4425136645 is a wasteful number, since it uses less digits than its factorization.

4425136645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2164295.

The product of its digits is 345600, while the sum is 40.

The square root of 4425136645 is about 66521.7005570363. The cubic root of 4425136645 is about 1641.7570704536.

The spelling of 4425136645 in words is "four billion, four hundred twenty-five million, one hundred thirty-six thousand, six hundred forty-five".