805649946508 has 48 divisors (see below), whose sum is σ = 1628681814144. Its totient is φ = 344631594240.

The previous prime is 805649946487. The next prime is 805649946509.

805649946508 is nontrivially palindromic in base 10.

It is a super-2 number, since 2×805649946508² (a number of 25 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 805649946508.

It is not an unprimeable number, because it can be changed into a prime (805649946509) 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, 9342235 + ... + 9428077.

It is an arithmetic number, because the mean of its divisors is an integer number (33930871128).

Almost surely, 2^805649946508 is an apocalyptic number.

It is an amenable number.

805649946508 is an abundant number, since it is smaller than the sum of its proper divisors (823031867636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

805649946508 is a wasteful number, since it uses less digits than its factorization.

805649946508 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 98422 (or 98420 counting only the distinct ones).

The product of its (nonzero) digits is 74649600, while the sum is 64.

The spelling of 805649946508 in words is "eight hundred five billion, six hundred forty-nine million, nine hundred forty-six thousand, five hundred eight".