8271970344853 has 2 divisors, whose sum is σ = 8271970344854. Its totient is φ = 8271970344852.

The previous prime is 8271970344797. The next prime is 8271970344877. The reversal of 8271970344853 is 3584430791728.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4510938466609 + 3761031878244 = 2123897^2 + 1939338^2 .

It is a cyclic number.

It is not a de Polignac number, because 8271970344853 - 2¹³ = 8271970336661 is a prime.

It is a super-2 number, since 2×8271970344853² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 8271970344791 and 8271970344800.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8271970344353) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4135985172426 + 4135985172427.

It is an arithmetic number, because the mean of its divisors is an integer number (4135985172427).

Almost surely, 2^{8271970344853} is an apocalyptic number.

It is an amenable number.

8271970344853 is a deficient number, since it is larger than the sum of its proper divisors (1).

8271970344853 is an equidigital number, since it uses as much as digits as its factorization.

8271970344853 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 40642560, while the sum is 61.

The spelling of 8271970344853 in words is "eight trillion, two hundred seventy-one billion, nine hundred seventy million, three hundred forty-four thousand, eight hundred fifty-three".