8134652646881 has 2 divisors, whose sum is σ = 8134652646882. Its totient is φ = 8134652646880.

The previous prime is 8134652646847. The next prime is 8134652646929. The reversal of 8134652646881 is 1886462564318.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6018602384656 + 2116050262225 = 2453284^2 + 1454665^2 .

It is a cyclic number.

It is not a de Polignac number, because 8134652646881 - 2¹⁰ = 8134652645857 is a prime.

It is a super-2 number, since 2×8134652646881² (a number of 27 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (8134652646821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4067326323440 + 4067326323441.

It is an arithmetic number, because the mean of its divisors is an integer number (4067326323441).

Almost surely, 2^{8134652646881} is an apocalyptic number.

It is an amenable number.

8134652646881 is a deficient number, since it is larger than the sum of its proper divisors (1).

8134652646881 is an equidigital number, since it uses as much as digits as its factorization.

8134652646881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 53084160, while the sum is 62.

The spelling of 8134652646881 in words is "eight trillion, one hundred thirty-four billion, six hundred fifty-two million, six hundred forty-six thousand, eight hundred eighty-one".