65871434527 has 2 divisors, whose sum is σ = 65871434528. Its totient is φ = 65871434526.

The previous prime is 65871434479. The next prime is 65871434549. The reversal of 65871434527 is 72543417856.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 65871434527 - 2²⁷ = 65737216799 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (65871434557) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 32935717263 + 32935717264.

It is an arithmetic number, because the mean of its divisors is an integer number (32935717264).

Almost surely, 2^65871434527 is an apocalyptic number.

65871434527 is a deficient number, since it is larger than the sum of its proper divisors (1).

65871434527 is an equidigital number, since it uses as much as digits as its factorization.

65871434527 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5644800, while the sum is 52.

The spelling of 65871434527 in words is "sixty-five billion, eight hundred seventy-one million, four hundred thirty-four thousand, five hundred twenty-seven".