2098828813 has 4 divisors (see below), whose sum is σ = 2099123740. Its totient is φ = 2098533888.

The previous prime is 2098828747. The next prime is 2098828819. The reversal of 2098828813 is 3188288902.

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

It can be written as a sum of positive squares in 2 ways, for example, as 279123849 + 1819704964 = 16707^2 + 42658^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2098828813 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2098828819) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 136518 + ... + 151111.

It is an arithmetic number, because the mean of its divisors is an integer number (524780935).

Almost surely, 2^2098828813 is an apocalyptic number.

It is an amenable number.

2098828813 is a deficient number, since it is larger than the sum of its proper divisors (294927).

2098828813 is an equidigital number, since it uses as much as digits as its factorization.

2098828813 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294926.

The product of its (nonzero) digits is 442368, while the sum is 49.

The square root of 2098828813 is about 45812.9764695550. The cubic root of 2098828813 is about 1280.3410575949.

The spelling of 2098828813 in words is "two billion, ninety-eight million, eight hundred twenty-eight thousand, eight hundred thirteen".