69896576221 has 4 divisors (see below), whose sum is σ = 70681931100. Its totient is φ = 69111221344.

The previous prime is 69896576207. The next prime is 69896576231. The reversal of 69896576221 is 12267569896.

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 11399832900 + 58496743321 = 106770^2 + 241861^2 .

It is a cyclic number.

It is not a de Polignac number, because 69896576221 - 2¹¹ = 69896574173 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 69896576221.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (69896576231) 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, 392677306 + ... + 392677483.

It is an arithmetic number, because the mean of its divisors is an integer number (17670482775).

Almost surely, 2^69896576221 is an apocalyptic number.

It is an amenable number.

69896576221 is a deficient number, since it is larger than the sum of its proper divisors (785354879).

69896576221 is an equidigital number, since it uses as much as digits as its factorization.

69896576221 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 785354878.

The product of its digits is 19595520, while the sum is 61.

The spelling of 69896576221 in words is "sixty-nine billion, eight hundred ninety-six million, five hundred seventy-six thousand, two hundred twenty-one".