69845143201 has 4 divisors (see below), whose sum is σ = 71732849812. Its totient is φ = 67957436592.

The previous prime is 69845143187. The next prime is 69845143241. The reversal of 69845143201 is 10234154896.

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 40311002176 + 29534141025 = 200776^2 + 171855^2 .

It is a cyclic number.

It is not a de Polignac number, because 69845143201 - 2³¹ = 67697659553 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (69845143241) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 943853250 + ... + 943853323.

It is an arithmetic number, because the mean of its divisors is an integer number (17933212453).

Almost surely, 2^69845143201 is an apocalyptic number.

It is an amenable number.

69845143201 is a deficient number, since it is larger than the sum of its proper divisors (1887706611).

69845143201 is a wasteful number, since it uses less digits than its factorization.

69845143201 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1887706610.

The product of its (nonzero) digits is 207360, while the sum is 43.

The spelling of 69845143201 in words is "sixty-nine billion, eight hundred forty-five million, one hundred forty-three thousand, two hundred one".