8444620325 has 6 divisors (see below), whose sum is σ = 10471329234. Its totient is φ = 6755696240.

The previous prime is 8444620241. The next prime is 8444620399. The reversal of 8444620325 is 5230264448.

It is a happy number.

8444620325 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 3 ways, for example, as 255456289 + 8189164036 = 15983^2 + 90494^2 .

It is a de Polignac number, because none of the positive numbers 2^k-8444620325 is a prime.

It is a super-2 number, since 2×8444620325² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 168892382 + ... + 168892431.

It is an arithmetic number, because the mean of its divisors is an integer number (1745221539).

Almost surely, 2^8444620325 is an apocalyptic number.

It is an amenable number.

8444620325 is a deficient number, since it is larger than the sum of its proper divisors (2026708909).

8444620325 is a wasteful number, since it uses less digits than its factorization.

8444620325 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 337784823 (or 337784818 counting only the distinct ones).

The product of its (nonzero) digits is 184320, while the sum is 38.

The square root of 8444620325 is about 91894.6153210296. The cubic root of 8444620325 is about 2036.3857191540.

The spelling of 8444620325 in words is "eight billion, four hundred forty-four million, six hundred twenty thousand, three hundred twenty-five".