894043532161 has 4 divisors (see below), whose sum is σ = 962816111572. Its totient is φ = 825270952752.

The previous prime is 894043532149. The next prime is 894043532177. The reversal of 894043532161 is 161235340498.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 563482929025 + 330560603136 = 750655^2 + 574944^2 .

It is a cyclic number.

It is not a de Polignac number, because 894043532161 - 2³¹ = 891896048513 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (894043532111) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 34386289686 + ... + 34386289711.

It is an arithmetic number, because the mean of its divisors is an integer number (240704027893).

Almost surely, 2^894043532161 is an apocalyptic number.

It is an amenable number.

894043532161 is a deficient number, since it is larger than the sum of its proper divisors (68772579411).

894043532161 is a wasteful number, since it uses less digits than its factorization.

894043532161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68772579410.

The product of its (nonzero) digits is 622080, while the sum is 46.

The spelling of 894043532161 in words is "eight hundred ninety-four billion, forty-three million, five hundred thirty-two thousand, one hundred sixty-one".