8481125945 has 8 divisors (see below), whose sum is σ = 10205084544. Its totient is φ = 6766411824.

The previous prime is 8481125927. The next prime is 8481125963. The reversal of 8481125945 is 5495211848.

It is an interprime number because it is at equal distance from previous prime (8481125927) and next prime (8481125963).

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8481125945 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 8481125945.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2309099 + ... + 2312768.

It is an arithmetic number, because the mean of its divisors is an integer number (1275635568).

Almost surely, 2^8481125945 is an apocalyptic number.

It is an amenable number.

8481125945 is a deficient number, since it is larger than the sum of its proper divisors (1723958599).

8481125945 is a wasteful number, since it uses less digits than its factorization.

8481125945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4622239.

The product of its digits is 460800, while the sum is 47.

The square root of 8481125945 is about 92093.0287535381. The cubic root of 8481125945 is about 2039.3158946206.

The spelling of 8481125945 in words is "eight billion, four hundred eighty-one million, one hundred twenty-five thousand, nine hundred forty-five".