6870500691 has 4 divisors (see below), whose sum is σ = 9160667592. Its totient is φ = 4580333792.

The previous prime is 6870500687. The next prime is 6870500713. The reversal of 6870500691 is 1960050786.

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 6870500691 - 2² = 6870500687 is a prime.

It is not an unprimeable number, because it can be changed into a prime (6870550691) 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, 1145083446 + ... + 1145083451.

It is an arithmetic number, because the mean of its divisors is an integer number (2290166898).

Almost surely, 2^6870500691 is an apocalyptic number.

6870500691 is a deficient number, since it is larger than the sum of its proper divisors (2290166901).

6870500691 is a wasteful number, since it uses less digits than its factorization.

6870500691 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2290166900.

The product of its (nonzero) digits is 90720, while the sum is 42.

The square root of 6870500691 is about 82888.4834642304. The cubic root of 6870500691 is about 1901.0613360231.

The spelling of 6870500691 in words is "six billion, eight hundred seventy million, five hundred thousand, six hundred ninety-one".