4425773649 has 8 divisors (see below), whose sum is σ = 6437488992. Its totient is φ = 2682287040.

The previous prime is 4425773587. The next prime is 4425773657. The reversal of 4425773649 is 9463775244.

It is a happy number.

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

It is not a de Polignac number, because 4425773649 - 2¹² = 4425769553 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4425773699) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67057144 + ... + 67057209.

It is an arithmetic number, because the mean of its divisors is an integer number (804686124).

Almost surely, 2^4425773649 is an apocalyptic number.

It is an amenable number.

4425773649 is a deficient number, since it is larger than the sum of its proper divisors (2011715343).

4425773649 is a wasteful number, since it uses less digits than its factorization.

4425773649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134114367.

The product of its digits is 5080320, while the sum is 51.

The square root of 4425773649 is about 66526.4883260796. The cubic root of 4425773649 is about 1641.8358443407.

The spelling of 4425773649 in words is "four billion, four hundred twenty-five million, seven hundred seventy-three thousand, six hundred forty-nine".