85453466435489 has 2 divisors, whose sum is σ = 85453466435490. Its totient is φ = 85453466435488.

The previous prime is 85453466435353. The next prime is 85453466435503. The reversal of 85453466435489 is 98453466435458.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 44259854284864 + 41193612150625 = 6652808^2 + 6418225^2 .

It is a cyclic number.

It is not a de Polignac number, because 85453466435489 - 2²⁴ = 85453449658273 is a prime.

It is not a weakly prime, because it can be changed into another prime (85453466434489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 42726733217744 + 42726733217745.

It is an arithmetic number, because the mean of its divisors is an integer number (42726733217745).

Almost surely, 2^{85453466435489} is an apocalyptic number.

It is an amenable number.

85453466435489 is a deficient number, since it is larger than the sum of its proper divisors (1).

85453466435489 is an equidigital number, since it uses as much as digits as its factorization.

85453466435489 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5971968000, while the sum is 74.

The spelling of 85453466435489 in words is "eighty-five trillion, four hundred fifty-three billion, four hundred sixty-six million, four hundred thirty-five thousand, four hundred eighty-nine".