2148917018 has 8 divisors (see below), whose sum is σ = 3223806912. Its totient is φ = 1074314716.

The previous prime is 2148917009. The next prime is 2148917047. The reversal of 2148917018 is 8107198412.

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

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 52130 + ... + 83757.

It is an arithmetic number, because the mean of its divisors is an integer number (402975864).

Almost surely, 2^2148917018 is an apocalyptic number.

2148917018 is a deficient number, since it is larger than the sum of its proper divisors (1074889894).

2148917018 is a wasteful number, since it uses less digits than its factorization.

2148917018 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143796.

The product of its (nonzero) digits is 32256, while the sum is 41.

The square root of 2148917018 is about 46356.4129112683. The cubic root of 2148917018 is about 1290.4461365773.

The spelling of 2148917018 in words is "two billion, one hundred forty-eight million, nine hundred seventeen thousand, eighteen".