71064113863 has 4 divisors (see below), whose sum is σ = 74153857968. Its totient is φ = 67974369760.

The previous prime is 71064113849. The next prime is 71064113867. The reversal of 71064113863 is 36831146017.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-71064113863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (71064113867) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1544872018 + ... + 1544872063.

It is an arithmetic number, because the mean of its divisors is an integer number (18538464492).

Almost surely, 2^71064113863 is an apocalyptic number.

71064113863 is a deficient number, since it is larger than the sum of its proper divisors (3089744105).

71064113863 is a wasteful number, since it uses less digits than its factorization.

71064113863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3089744104.

The product of its (nonzero) digits is 72576, while the sum is 40.

The spelling of 71064113863 in words is "seventy-one billion, sixty-four million, one hundred thirteen thousand, eight hundred sixty-three".