8271970344845 has 16 divisors (see below), whose sum is σ = 10454976618240. Its totient is φ = 6265579604544.

The previous prime is 8271970344797. The next prime is 8271970344853. The reversal of 8271970344845 is 5484430791728.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8271970344845 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 25554869 + ... + 25876538.

It is an arithmetic number, because the mean of its divisors is an integer number (653436038640).

Almost surely, 2^{8271970344845} is an apocalyptic number.

It is an amenable number.

8271970344845 is a deficient number, since it is larger than the sum of its proper divisors (2183006273395).

8271970344845 is a wasteful number, since it uses less digits than its factorization.

8271970344845 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51433124.

The product of its (nonzero) digits is 54190080, while the sum is 62.

The spelling of 8271970344845 in words is "eight trillion, two hundred seventy-one billion, nine hundred seventy million, three hundred forty-four thousand, eight hundred forty-five".