84473922961 has 2 divisors, whose sum is σ = 84473922962. Its totient is φ = 84473922960.

The previous prime is 84473922943. The next prime is 84473923019. The reversal of 84473922961 is 16922937448.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 81864654400 + 2609268561 = 286120^2 + 51081^2 .

It is a cyclic number.

It is not a de Polignac number, because 84473922961 - 2¹⁷ = 84473791889 is a prime.

It is not a weakly prime, because it can be changed into another prime (84473922931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42236961480 + 42236961481.

It is an arithmetic number, because the mean of its divisors is an integer number (42236961481).

Almost surely, 2^84473922961 is an apocalyptic number.

It is an amenable number.

84473922961 is a deficient number, since it is larger than the sum of its proper divisors (1).

84473922961 is an equidigital number, since it uses as much as digits as its factorization.

84473922961 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5225472, while the sum is 55.

The spelling of 84473922961 in words is "eighty-four billion, four hundred seventy-three million, nine hundred twenty-two thousand, nine hundred sixty-one".