84064529616601 has 2 divisors, whose sum is σ = 84064529616602. Its totient is φ = 84064529616600.

The previous prime is 84064529616533. The next prime is 84064529616637. The reversal of 84064529616601 is 10661692546048.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81525080207376 + 2539449409225 = 9029124^2 + 1593565^2 .

It is a cyclic number.

It is not a de Polignac number, because 84064529616601 - 2²⁷ = 84064395398873 is a prime.

It is not a weakly prime, because it can be changed into another prime (84064529616101) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42032264808300 + 42032264808301.

It is an arithmetic number, because the mean of its divisors is an integer number (42032264808301).

Almost surely, 2^{84064529616601} is an apocalyptic number.

It is an amenable number.

84064529616601 is a deficient number, since it is larger than the sum of its proper divisors (1).

84064529616601 is an equidigital number, since it uses as much as digits as its factorization.

84064529616601 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 14929920, while the sum is 58.

The spelling of 84064529616601 in words is "eighty-four trillion, sixty-four billion, five hundred twenty-nine million, six hundred sixteen thousand, six hundred one".