2113145198 has 4 divisors (see below), whose sum is σ = 3169717800. Its totient is φ = 1056572598.

The previous prime is 2113145197. The next prime is 2113145201. The reversal of 2113145198 is 8915413112.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2113145197) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 528286298 + ... + 528286301.

It is an arithmetic number, because the mean of its divisors is an integer number (792429450).

Almost surely, 2^2113145198 is an apocalyptic number.

2113145198 is a deficient number, since it is larger than the sum of its proper divisors (1056572602).

2113145198 is a wasteful number, since it uses less digits than its factorization.

2113145198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1056572601.

The product of its digits is 8640, while the sum is 35.

The square root of 2113145198 is about 45968.9590702248. The cubic root of 2113145198 is about 1283.2455879439.

The spelling of 2113145198 in words is "two billion, one hundred thirteen million, one hundred forty-five thousand, one hundred ninety-eight".