8425994445 has 48 divisors (see below), whose sum is σ = 15946444800. Its totient is φ = 4081829760.

The previous prime is 8425994443. The next prime is 8425994459. The reversal of 8425994445 is 5444995248.

8425994445 is a `hidden beast` number, since 8 + 4 + 2 + 599 + 4 + 4 + 45 = 666.

It is not a de Polignac number, because 8425994445 - 2¹ = 8425994443 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 8425994391 and 8425994400.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8425994441) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 626451 + ... + 639759.

It is an arithmetic number, because the mean of its divisors is an integer number (332217600).

Almost surely, 2^8425994445 is an apocalyptic number.

It is an amenable number.

8425994445 is a deficient number, since it is larger than the sum of its proper divisors (7520450355).

8425994445 is a wasteful number, since it uses less digits than its factorization.

8425994445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14610 (or 14607 counting only the distinct ones).

The product of its digits is 8294400, while the sum is 54.

The square root of 8425994445 is about 91793.2156806809. The cubic root of 8425994445 is about 2034.8874320716.

The spelling of 8425994445 in words is "eight billion, four hundred twenty-five million, nine hundred ninety-four thousand, four hundred forty-five".