9458198861 has 2 divisors, whose sum is σ = 9458198862. Its totient is φ = 9458198860.

The previous prime is 9458198669. The next prime is 9458198891. The reversal of 9458198861 is 1688918549.

9458198861 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., 4872877636 + 4585321225 = 69806^2 + 67715^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9458198861 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 9458198861.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9458198891) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4729099430 + 4729099431.

It is an arithmetic number, because the mean of its divisors is an integer number (4729099431).

Almost surely, 2^9458198861 is an apocalyptic number.

It is an amenable number.

9458198861 is a deficient number, since it is larger than the sum of its proper divisors (1).

9458198861 is an equidigital number, since it uses as much as digits as its factorization.

9458198861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 4976640, while the sum is 59.

The square root of 9458198861 is about 97253.2717238860. The cubic root of 9458198861 is about 2114.8008695747.

The spelling of 9458198861 in words is "nine billion, four hundred fifty-eight million, one hundred ninety-eight thousand, eight hundred sixty-one".