1064734561271 has 2 divisors, whose sum is σ = 1064734561272. Its totient is φ = 1064734561270.

The previous prime is 1064734561211. The next prime is 1064734561273. The reversal of 1064734561271 is 1721654374601.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1064734561271 - 2²² = 1064730366967 is a prime.

It is a super-2 number, since 2×1064734561271² (a number of 25 digits) contains 22 as substring.

Together with 1064734561273, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1064734561273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 532367280635 + 532367280636.

It is an arithmetic number, because the mean of its divisors is an integer number (532367280636).

Almost surely, 2^{1064734561271} is an apocalyptic number.

1064734561271 is a deficient number, since it is larger than the sum of its proper divisors (1).

1064734561271 is an equidigital number, since it uses as much as digits as its factorization.

1064734561271 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 846720, while the sum is 47.

The spelling of 1064734561271 in words is "one trillion, sixty-four billion, seven hundred thirty-four million, five hundred sixty-one thousand, two hundred seventy-one".