2108931154 has 8 divisors (see below), whose sum is σ = 3450978288. Its totient is φ = 958605060.

The previous prime is 2108931089. The next prime is 2108931179. The reversal of 2108931154 is 4511398012.

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

It is a super-2 number, since 2×2108931154² = 8895181224623543432, which contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 47930232 + ... + 47930275.

It is an arithmetic number, because the mean of its divisors is an integer number (431372286).

Almost surely, 2^2108931154 is an apocalyptic number.

2108931154 is a deficient number, since it is larger than the sum of its proper divisors (1342047134).

2108931154 is a wasteful number, since it uses less digits than its factorization.

2108931154 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95860520.

The product of its (nonzero) digits is 8640, while the sum is 34.

The square root of 2108931154 is about 45923.1004397569. The cubic root of 2108931154 is about 1282.3920021737.

The spelling of 2108931154 in words is "two billion, one hundred eight million, nine hundred thirty-one thousand, one hundred fifty-four".