8044066193929 has 2 divisors, whose sum is σ = 8044066193930. Its totient is φ = 8044066193928.

The previous prime is 8044066193923. The next prime is 8044066193953. The reversal of 8044066193929 is 9293916604408.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6983588451904 + 1060477742025 = 2642648^2 + 1029795^2 .

It is a cyclic number.

It is not a de Polignac number, because 8044066193929 - 2²¹ = 8044064096777 is a prime.

It is a super-2 number, since 2×8044066193929² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8044066193923) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4022033096964 + 4022033096965.

It is an arithmetic number, because the mean of its divisors is an integer number (4022033096965).

Almost surely, 2^{8044066193929} is an apocalyptic number.

It is an amenable number.

8044066193929 is a deficient number, since it is larger than the sum of its proper divisors (1).

8044066193929 is an equidigital number, since it uses as much as digits as its factorization.

8044066193929 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 20155392, while the sum is 61.

The spelling of 8044066193929 in words is "eight trillion, forty-four billion, sixty-six million, one hundred ninety-three thousand, nine hundred twenty-nine".