846343439849 has 24 divisors (see below), whose sum is σ = 931764476160. Its totient is φ = 766560830112.

The previous prime is 846343439801. The next prime is 846343439861. The reversal of 846343439849 is 948934343648.

It is not a de Polignac number, because 846343439849 - 2³² = 842048472553 is a prime.

It is a super-2 number, since 2×846343439849² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (846343439549) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 21519647 + ... + 21558939.

It is an arithmetic number, because the mean of its divisors is an integer number (38823519840).

Almost surely, 2^846343439849 is an apocalyptic number.

It is an amenable number.

846343439849 is a deficient number, since it is larger than the sum of its proper divisors (85421036311).

846343439849 is a wasteful number, since it uses less digits than its factorization.

846343439849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41501 (or 41478 counting only the distinct ones).

The product of its digits is 214990848, while the sum is 65.

The spelling of 846343439849 in words is "eight hundred forty-six billion, three hundred forty-three million, four hundred thirty-nine thousand, eight hundred forty-nine".