6971794069 has 4 divisors (see below), whose sum is σ = 6987321900. Its totient is φ = 6956266240.

The previous prime is 6971794043. The next prime is 6971794103. The reversal of 6971794069 is 9604971796.

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

It can be written as a sum of positive squares in 2 ways, for example, as 2974393444 + 3997400625 = 54538^2 + 63225^2 .

It is a cyclic number.

It is not a de Polignac number, because 6971794069 - 2¹⁵ = 6971761301 is a prime.

It is a super-2 number, since 2×6971794069² = 97211825081087153522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6971794169) 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, 7763242 + ... + 7764139.

It is an arithmetic number, because the mean of its divisors is an integer number (1746830475).

Almost surely, 2^6971794069 is an apocalyptic number.

It is an amenable number.

6971794069 is a deficient number, since it is larger than the sum of its proper divisors (15527831).

6971794069 is a wasteful number, since it uses less digits than its factorization.

6971794069 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15527830.

The product of its (nonzero) digits is 5143824, while the sum is 58.

The square root of 6971794069 is about 83497.2698296178. The cubic root of 6971794069 is about 1910.3583904838.

The spelling of 6971794069 in words is "six billion, nine hundred seventy-one million, seven hundred ninety-four thousand, sixty-nine".