98765443193 has 2 divisors, whose sum is σ = 98765443194. Its totient is φ = 98765443192.

The previous prime is 98765443181. The next prime is 98765443253. The reversal of 98765443193 is 39134456789.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 63643684729 + 35121758464 = 252277^2 + 187408^2 .

It is a cyclic number.

It is not a de Polignac number, because 98765443193 - 2⁴ = 98765443177 is a prime.

It is a super-2 number, since 2×98765443193² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (98765443163) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49382721596 + 49382721597.

It is an arithmetic number, because the mean of its divisors is an integer number (49382721597).

Almost surely, 2^98765443193 is an apocalyptic number.

It is an amenable number.

98765443193 is a deficient number, since it is larger than the sum of its proper divisors (1).

98765443193 is an equidigital number, since it uses as much as digits as its factorization.

98765443193 is an evil number, because the sum of its binary digits is even.

The product of its digits is 19595520, while the sum is 59.

The spelling of 98765443193 in words is "ninety-eight billion, seven hundred sixty-five million, four hundred forty-three thousand, one hundred ninety-three".