6939685071 has 16 divisors (see below), whose sum is σ = 11215653120. Its totient is φ = 4205869560.

The previous prime is 6939685061. The next prime is 6939685091. The reversal of 6939685071 is 1705869396.

It is not a de Polignac number, because 6939685071 - 2¹⁵ = 6939652303 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 6939684999 and 6939685017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6939685061) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11682675 + ... + 11683268.

It is an arithmetic number, because the mean of its divisors is an integer number (700978320).

Almost surely, 2^6939685071 is an apocalyptic number.

6939685071 is a deficient number, since it is larger than the sum of its proper divisors (4275968049).

6939685071 is a wasteful number, since it uses less digits than its factorization.

6939685071 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23365963 (or 23365957 counting only the distinct ones).

The product of its (nonzero) digits is 2449440, while the sum is 54.

The square root of 6939685071 is about 83304.7721982360. The cubic root of 6939685071 is about 1907.4211215090.

The spelling of 6939685071 in words is "six billion, nine hundred thirty-nine million, six hundred eighty-five thousand, seventy-one".