71364136771 has 4 divisors (see below), whose sum is σ = 71386051032. Its totient is φ = 71342222512.

The previous prime is 71364136769. The next prime is 71364136801. The reversal of 71364136771 is 17763146317.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 71364136771 - 2¹ = 71364136769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (71364136721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 10952245 + ... + 10958758.

It is an arithmetic number, because the mean of its divisors is an integer number (17846512758).

Almost surely, 2^71364136771 is an apocalyptic number.

71364136771 is a deficient number, since it is larger than the sum of its proper divisors (21914261).

71364136771 is a wasteful number, since it uses less digits than its factorization.

71364136771 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21914260.

The product of its digits is 444528, while the sum is 46.

The spelling of 71364136771 in words is "seventy-one billion, three hundred sixty-four million, one hundred thirty-six thousand, seven hundred seventy-one".