84517536953 has 2 divisors, whose sum is σ = 84517536954. Its totient is φ = 84517536952.

The previous prime is 84517536947. The next prime is 84517537003. The reversal of 84517536953 is 35963571548.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 67889950249 + 16627586704 = 260557^2 + 128948^2 .

It is a cyclic number.

It is not a de Polignac number, because 84517536953 - 2¹⁰ = 84517535929 is a prime.

It is not a weakly prime, because it can be changed into another prime (84517526953) 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, 42258768476 + 42258768477.

It is an arithmetic number, because the mean of its divisors is an integer number (42258768477).

Almost surely, 2^84517536953 is an apocalyptic number.

It is an amenable number.

84517536953 is a deficient number, since it is larger than the sum of its proper divisors (1).

84517536953 is an equidigital number, since it uses as much as digits as its factorization.

84517536953 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13608000, while the sum is 56.

The spelling of 84517536953 in words is "eighty-four billion, five hundred seventeen million, five hundred thirty-six thousand, nine hundred fifty-three".