2125998194 has 8 divisors (see below), whose sum is σ = 3218801328. Its totient is φ = 1053064420.

The previous prime is 2125998143. The next prime is 2125998233. The reversal of 2125998194 is 4918995212.

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, 4967072 + ... + 4967499.

It is an arithmetic number, because the mean of its divisors is an integer number (402350166).

Almost surely, 2^2125998194 is an apocalyptic number.

2125998194 is a deficient number, since it is larger than the sum of its proper divisors (1092803134).

2125998194 is a wasteful number, since it uses less digits than its factorization.

2125998194 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9934680.

The product of its digits is 466560, while the sum is 50.

The square root of 2125998194 is about 46108.5479493770. The cubic root of 2125998194 is about 1285.8420687470.

The spelling of 2125998194 in words is "two billion, one hundred twenty-five million, nine hundred ninety-eight thousand, one hundred ninety-four".