9867404149 has 2 divisors, whose sum is σ = 9867404150. Its totient is φ = 9867404148.

The previous prime is 9867404123. The next prime is 9867404153. The reversal of 9867404149 is 9414047689.

9867404149 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 9277157124 + 590247025 = 96318^2 + 24295^2 .

It is a cyclic number.

It is not a de Polignac number, because 9867404149 - 2²³ = 9859015541 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9867404096 and 9867404105.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9867404849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4933702074 + 4933702075.

It is an arithmetic number, because the mean of its divisors is an integer number (4933702075).

Almost surely, 2^9867404149 is an apocalyptic number.

It is an amenable number.

9867404149 is a deficient number, since it is larger than the sum of its proper divisors (1).

9867404149 is an equidigital number, since it uses as much as digits as its factorization.

9867404149 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1741824, while the sum is 52.

The square root of 9867404149 is about 99334.8083453127. The cubic root of 9867404149 is about 2144.8699865956.

The spelling of 9867404149 in words is "nine billion, eight hundred sixty-seven million, four hundred four thousand, one hundred forty-nine".