2381980849 has 2 divisors, whose sum is σ = 2381980850. Its totient is φ = 2381980848.

The previous prime is 2381980841. The next prime is 2381980871. The reversal of 2381980849 is 9480891832.

2381980849 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2330958400 + 51022449 = 48280^2 + 7143^2 .

It is a cyclic number.

It is not a de Polignac number, because 2381980849 - 2³ = 2381980841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2381980796 and 2381980805.

It is not a weakly prime, because it can be changed into another prime (2381980841) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1190990424 + 1190990425.

It is an arithmetic number, because the mean of its divisors is an integer number (1190990425).

Almost surely, 2^2381980849 is an apocalyptic number.

It is an amenable number.

2381980849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2381980849 is an equidigital number, since it uses as much as digits as its factorization.

2381980849 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 995328, while the sum is 52.

The square root of 2381980849 is about 48805.5411710597. The cubic root of 2381980849 is about 1335.5067533355.

The spelling of 2381980849 in words is "two billion, three hundred eighty-one million, nine hundred eighty thousand, eight hundred forty-nine".