6971385067 has 4 divisors (see below), whose sum is σ = 6993377136. Its totient is φ = 6949393000.

The previous prime is 6971385013. The next prime is 6971385073. The reversal of 6971385067 is 7605831796.

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-6971385067 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6971385167) 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, 10995559 + ... + 10996192.

It is an arithmetic number, because the mean of its divisors is an integer number (1748344284).

Almost surely, 2^6971385067 is an apocalyptic number.

6971385067 is a deficient number, since it is larger than the sum of its proper divisors (21992069).

6971385067 is a wasteful number, since it uses less digits than its factorization.

6971385067 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21992068.

The product of its (nonzero) digits is 1905120, while the sum is 52.

The square root of 6971385067 is about 83494.8205998432. The cubic root of 6971385067 is about 1910.3210325395.

The spelling of 6971385067 in words is "six billion, nine hundred seventy-one million, three hundred eighty-five thousand, sixty-seven".