894172272053 has 2 divisors, whose sum is σ = 894172272054. Its totient is φ = 894172272052.

The previous prime is 894172272017. The next prime is 894172272083. The reversal of 894172272053 is 350272271498.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 682132283569 + 212039988484 = 825913^2 + 460478^2 .

It is a cyclic number.

It is not a de Polignac number, because 894172272053 - 2⁶ = 894172271989 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 894172271992 and 894172272010.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (894172272083) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 447086136026 + 447086136027.

It is an arithmetic number, because the mean of its divisors is an integer number (447086136027).

Almost surely, 2^894172272053 is an apocalyptic number.

It is an amenable number.

894172272053 is a deficient number, since it is larger than the sum of its proper divisors (1).

894172272053 is an equidigital number, since it uses as much as digits as its factorization.

894172272053 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1693440, while the sum is 50.

The spelling of 894172272053 in words is "eight hundred ninety-four billion, one hundred seventy-two million, two hundred seventy-two thousand, fifty-three".