2098387813 has 2 divisors, whose sum is σ = 2098387814. Its totient is φ = 2098387812.

The previous prime is 2098387789. The next prime is 2098387859. The reversal of 2098387813 is 3187838902.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2054536929 + 43850884 = 45327^2 + 6622^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2098387813 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2098387883) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1049193906 + 1049193907.

It is an arithmetic number, because the mean of its divisors is an integer number (1049193907).

Almost surely, 2^2098387813 is an apocalyptic number.

It is an amenable number.

2098387813 is a deficient number, since it is larger than the sum of its proper divisors (1).

2098387813 is an equidigital number, since it uses as much as digits as its factorization.

2098387813 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 580608, while the sum is 49.

The square root of 2098387813 is about 45808.1631698980. The cubic root of 2098387813 is about 1280.2513774276.

The spelling of 2098387813 in words is "two billion, ninety-eight million, three hundred eighty-seven thousand, eight hundred thirteen".