8913121560946 has 8 divisors (see below), whose sum is σ = 13369796719344. Its totient is φ = 4456522654500.

The previous prime is 8913121560853. The next prime is 8913121560949. The reversal of 8913121560946 is 6490651213198.

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

It is not an unprimeable number, because it can be changed into a prime (8913121560949) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 18769860 + ... + 19238863.

It is an arithmetic number, because the mean of its divisors is an integer number (1671224589918).

Almost surely, 2^{8913121560946} is an apocalyptic number.

8913121560946 is a deficient number, since it is larger than the sum of its proper divisors (4456675158398).

8913121560946 is a wasteful number, since it uses less digits than its factorization.

8913121560946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38125976.

The product of its (nonzero) digits is 2799360, while the sum is 55.

The spelling of 8913121560946 in words is "eight trillion, nine hundred thirteen billion, one hundred twenty-one million, five hundred sixty thousand, nine hundred forty-six".