96181921729 has 2 divisors, whose sum is σ = 96181921730. Its totient is φ = 96181921728.

The previous prime is 96181921723. The next prime is 96181921777. The reversal of 96181921729 is 92712918169.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 55636072129 + 40545849600 = 235873^2 + 201360^2 .

It is an emirp because it is prime and its reverse (92712918169) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 96181921729 - 2¹³ = 96181913537 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 96181921729.

It is not a weakly prime, because it can be changed into another prime (96181921723) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 48090960864 + 48090960865.

It is an arithmetic number, because the mean of its divisors is an integer number (48090960865).

Almost surely, 2^96181921729 is an apocalyptic number.

It is an amenable number.

96181921729 is a deficient number, since it is larger than the sum of its proper divisors (1).

96181921729 is an equidigital number, since it uses as much as digits as its factorization.

96181921729 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 979776, while the sum is 55.

The spelling of 96181921729 in words is "ninety-six billion, one hundred eighty-one million, nine hundred twenty-one thousand, seven hundred twenty-nine".