84633122081 has 2 divisors, whose sum is σ = 84633122082. Its totient is φ = 84633122080.

The previous prime is 84633122069. The next prime is 84633122107. The reversal of 84633122081 is 18022133648.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72383059681 + 12250062400 = 269041^2 + 110680^2 .

It is a cyclic number.

It is not a de Polignac number, because 84633122081 - 2³⁴ = 67453252897 is a prime.

It is a super-2 number, since 2×84633122081² (a number of 23 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (84633122681) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42316561040 + 42316561041.

It is an arithmetic number, because the mean of its divisors is an integer number (42316561041).

Almost surely, 2^84633122081 is an apocalyptic number.

It is an amenable number.

84633122081 is a deficient number, since it is larger than the sum of its proper divisors (1).

84633122081 is an equidigital number, since it uses as much as digits as its factorization.

84633122081 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 55296, while the sum is 38.

The spelling of 84633122081 in words is "eighty-four billion, six hundred thirty-three million, one hundred twenty-two thousand, eighty-one".