6845181517834 has 48 divisors (see below), whose sum is σ = 11507102489376. Its totient is φ = 3028422092000.

The previous prime is 6845181517829. The next prime is 6845181517861. The reversal of 6845181517834 is 4387151815486.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 7292289 + ... + 8177275.

It is an arithmetic number, because the mean of its divisors is an integer number (239731301862).

Almost surely, 2^{6845181517834} is an apocalyptic number.

6845181517834 is a deficient number, since it is larger than the sum of its proper divisors (4661920971542).

6845181517834 is a wasteful number, since it uses less digits than its factorization.

6845181517834 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 885219 (or 885160 counting only the distinct ones).

The product of its digits is 25804800, while the sum is 61.

The spelling of 6845181517834 in words is "six trillion, eight hundred forty-five billion, one hundred eighty-one million, five hundred seventeen thousand, eight hundred thirty-four".