6869171685923 has 2 divisors, whose sum is σ = 6869171685924. Its totient is φ = 6869171685922.

The previous prime is 6869171685911. The next prime is 6869171685953. The reversal of 6869171685923 is 3295861719686.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6869171685923 - 2²² = 6869167491619 is a prime.

It is not a weakly prime, because it can be changed into another prime (6869171685953) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3434585842961 + 3434585842962.

It is an arithmetic number, because the mean of its divisors is an integer number (3434585842962).

Almost surely, 2^{6869171685923} is an apocalyptic number.

6869171685923 is a deficient number, since it is larger than the sum of its proper divisors (1).

6869171685923 is an equidigital number, since it uses as much as digits as its factorization.

6869171685923 is an evil number, because the sum of its binary digits is even.

The product of its digits is 235146240, while the sum is 71.

The spelling of 6869171685923 in words is "six trillion, eight hundred sixty-nine billion, one hundred seventy-one million, six hundred eighty-five thousand, nine hundred twenty-three".