8945225831649 has 8 divisors (see below), whose sum is σ = 11927013611872. Its totient is φ = 5963460969600.

The previous prime is 8945225831639. The next prime is 8945225831687. The reversal of 8945225831649 is 9461385225498.

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

It is not a de Polignac number, because 8945225831649 - 2¹⁷ = 8945225700577 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8945225831649.

It is not an unprimeable number, because it can be changed into a prime (8945225831629) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4797139 + ... + 6395544.

It is an arithmetic number, because the mean of its divisors is an integer number (1490876701484).

Almost surely, 2^{8945225831649} is an apocalyptic number.

It is an amenable number.

8945225831649 is a deficient number, since it is larger than the sum of its proper divisors (2981787780223).

8945225831649 is a wasteful number, since it uses less digits than its factorization.

8945225831649 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11459087.

The product of its digits is 149299200, while the sum is 66.

The spelling of 8945225831649 in words is "eight trillion, nine hundred forty-five billion, two hundred twenty-five million, eight hundred thirty-one thousand, six hundred forty-nine".