4425971646 has 8 divisors (see below), whose sum is σ = 8851943304. Its totient is φ = 1475323880.

The previous prime is 4425971629. The next prime is 4425971651. The reversal of 4425971646 is 6461795244.

It is a happy number.

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

4425971646 is an admirable number.

It is a super-2 number, since 2×4425971646² = 39178450022391898632, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 4425971595 and 4425971604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 368830965 + ... + 368830976.

It is an arithmetic number, because the mean of its divisors is an integer number (1106492913).

Almost surely, 2^4425971646 is an apocalyptic number.

4425971646 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

4425971646 is a wasteful number, since it uses less digits than its factorization.

4425971646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 737661946.

The product of its digits is 1451520, while the sum is 48.

The square root of 4425971646 is about 66527.9764159410. The cubic root of 4425971646 is about 1641.8603277230.

The spelling of 4425971646 in words is "four billion, four hundred twenty-five million, nine hundred seventy-one thousand, six hundred forty-six".