84365273189929 has 2 divisors, whose sum is σ = 84365273189930. Its totient is φ = 84365273189928.

The previous prime is 84365273189903. The next prime is 84365273190017. The reversal of 84365273189929 is 92998137256348.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 84264101484304 + 101171705625 = 9179548^2 + 318075^2 .

It is a cyclic number.

It is not a de Polignac number, because 84365273189929 - 2⁷ = 84365273189801 is a prime.

It is a super-2 number, since 2×84365273189929² (a number of 29 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84365277189929) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42182636594964 + 42182636594965.

It is an arithmetic number, because the mean of its divisors is an integer number (42182636594965).

Almost surely, 2^{84365273189929} is an apocalyptic number.

It is an amenable number.

84365273189929 is a deficient number, since it is larger than the sum of its proper divisors (1).

84365273189929 is an equidigital number, since it uses as much as digits as its factorization.

84365273189929 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1410877440, while the sum is 76.

The spelling of 84365273189929 in words is "eighty-four trillion, three hundred sixty-five billion, two hundred seventy-three million, one hundred eighty-nine thousand, nine hundred twenty-nine".