85458451441 has 4 divisors (see below), whose sum is σ = 93227401584. Its totient is φ = 77689501300.

The previous prime is 85458451367. The next prime is 85458451447. The reversal of 85458451441 is 14415485458.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 85458451441 - 2¹³ = 85458443249 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (85458451447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3884475055 + ... + 3884475076.

It is an arithmetic number, because the mean of its divisors is an integer number (23306850396).

Almost surely, 2^85458451441 is an apocalyptic number.

It is an amenable number.

85458451441 is a deficient number, since it is larger than the sum of its proper divisors (7768950143).

85458451441 is a wasteful number, since it uses less digits than its factorization.

85458451441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7768950142.

The product of its digits is 2048000, while the sum is 49.

The spelling of 85458451441 in words is "eighty-five billion, four hundred fifty-eight million, four hundred fifty-one thousand, four hundred forty-one".