893534423209 has 2 divisors, whose sum is σ = 893534423210. Its totient is φ = 893534423208.

The previous prime is 893534423207. The next prime is 893534423237. The reversal of 893534423209 is 902324435398.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 864146864025 + 29387559184 = 929595^2 + 171428^2 .

It is a cyclic number.

It is not a de Polignac number, because 893534423209 - 2¹ = 893534423207 is a prime.

Together with 893534423207, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (893534423207) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 446767211604 + 446767211605.

It is an arithmetic number, because the mean of its divisors is an integer number (446767211605).

Almost surely, 2^893534423209 is an apocalyptic number.

It is an amenable number.

893534423209 is a deficient number, since it is larger than the sum of its proper divisors (1).

893534423209 is an equidigital number, since it uses as much as digits as its factorization.

893534423209 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5598720, while the sum is 52.

The spelling of 893534423209 in words is "eight hundred ninety-three billion, five hundred thirty-four million, four hundred twenty-three thousand, two hundred nine".