894423122005 has 32 divisors (see below), whose sum is σ = 1235294611200. Its totient is φ = 608992957440.

The previous prime is 894423121997. The next prime is 894423122011. The reversal of 894423122005 is 500221324498.

It is not a de Polignac number, because 894423122005 - 2³ = 894423121997 is a prime.

It is a super-2 number, since 2×894423122005² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 15966445 + ... + 16022365.

It is an arithmetic number, because the mean of its divisors is an integer number (38602956600).

Almost surely, 2^894423122005 is an apocalyptic number.

It is an amenable number.

894423122005 is a deficient number, since it is larger than the sum of its proper divisors (340871489195).

894423122005 is a wasteful number, since it uses less digits than its factorization.

894423122005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59149.

The product of its (nonzero) digits is 138240, while the sum is 40.

The spelling of 894423122005 in words is "eight hundred ninety-four billion, four hundred twenty-three million, one hundred twenty-two thousand, five".