852741433601 has 4 divisors (see below), whose sum is σ = 875788499412. Its totient is φ = 829694367792.

The previous prime is 852741433559. The next prime is 852741433603. The reversal of 852741433601 is 106334147258.

It is a happy number.

It is a Cunningham number, because it is equal to 923440²+1.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 106334147258 = 2 ⋅53167073629.

It can be written as a sum of positive squares in 2 ways, for example, as 763044178576 + 89697255025 = 873524^2 + 299495^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-852741433601 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (852741433603) 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 in 3 ways as a sum of consecutive naturals, for example, 11523532850 + ... + 11523532923.

It is an arithmetic number, because the mean of its divisors is an integer number (218947124853).

Almost surely, 2^852741433601 is an apocalyptic number.

It is an amenable number.

852741433601 is a deficient number, since it is larger than the sum of its proper divisors (23047065811).

852741433601 is a wasteful number, since it uses less digits than its factorization.

852741433601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23047065810.

The product of its (nonzero) digits is 483840, while the sum is 44.

The spelling of 852741433601 in words is "eight hundred fifty-two billion, seven hundred forty-one million, four hundred thirty-three thousand, six hundred one".