98765434319 has 2 divisors, whose sum is σ = 98765434320. Its totient is φ = 98765434318.

The previous prime is 98765434301. The next prime is 98765434349. The reversal of 98765434319 is 91343456789.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 98765434319 - 2¹² = 98765430223 is a prime.

It is a super-2 number, since 2×98765434319² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (98765434349) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 49382717159 + 49382717160.

It is an arithmetic number, because the mean of its divisors is an integer number (49382717160).

Almost surely, 2^98765434319 is an apocalyptic number.

98765434319 is a deficient number, since it is larger than the sum of its proper divisors (1).

98765434319 is an equidigital number, since it uses as much as digits as its factorization.

98765434319 is an odious number, because the sum of its binary digits is odd.

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

The spelling of 98765434319 in words is "ninety-eight billion, seven hundred sixty-five million, four hundred thirty-four thousand, three hundred nineteen".