84353634433 has 2 divisors, whose sum is σ = 84353634434. Its totient is φ = 84353634432.

The previous prime is 84353634353. The next prime is 84353634481. The reversal of 84353634433 is 33443635348.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 81206761024 + 3146873409 = 284968^2 + 56097^2 .

It is a cyclic number.

It is not a de Polignac number, because 84353634433 - 2²⁵ = 84320080001 is a prime.

It is not a weakly prime, because it can be changed into another prime (84353631433) 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, 42176817216 + 42176817217.

It is an arithmetic number, because the mean of its divisors is an integer number (42176817217).

Almost surely, 2^84353634433 is an apocalyptic number.

It is an amenable number.

84353634433 is a deficient number, since it is larger than the sum of its proper divisors (1).

84353634433 is an equidigital number, since it uses as much as digits as its factorization.

84353634433 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 3732480, while the sum is 46.

It can be divided in two parts, 843536 and 34433, that added together give a square (877969 = 937²).

The spelling of 84353634433 in words is "eighty-four billion, three hundred fifty-three million, six hundred thirty-four thousand, four hundred thirty-three".