2098194945 has 48 divisors (see below), whose sum is σ = 4260247488. Its totient is φ = 871973760.

The previous prime is 2098194937. The next prime is 2098194953. The reversal of 2098194945 is 5494918902.

It is an interprime number because it is at equal distance from previous prime (2098194937) and next prime (2098194953).

It is not a de Polignac number, because 2098194945 - 2³ = 2098194937 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 121674 + ... + 137843.

It is an arithmetic number, because the mean of its divisors is an integer number (88755156).

Almost surely, 2^2098194945 is an apocalyptic number.

It is an amenable number.

2098194945 is an abundant number, since it is smaller than the sum of its proper divisors (2162052543).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2098194945 is a wasteful number, since it uses less digits than its factorization.

2098194945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 259550 (or 259543 counting only the distinct ones).

The product of its (nonzero) digits is 933120, while the sum is 51.

The square root of 2098194945 is about 45806.0579508868. The cubic root of 2098194945 is about 1280.2121525385.

The spelling of 2098194945 in words is "two billion, ninety-eight million, one hundred ninety-four thousand, nine hundred forty-five".