805019746252 has 12 divisors (see below), whose sum is σ = 1408837187296. Its totient is φ = 402494835600.

The previous prime is 805019746217. The next prime is 805019746273. The reversal of 805019746252 is 252647910508.

It is a junction number, because it is equal to n+sod(n) for n = 805019746196 and 805019746205.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3638499 + ... + 3853402.

Almost surely, 2^805019746252 is an apocalyptic number.

It is an amenable number.

805019746252 is a deficient number, since it is larger than the sum of its proper divisors (603817441044).

805019746252 is a wasteful number, since it uses less digits than its factorization.

805019746252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7518768 (or 7518766 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 49.

The spelling of 805019746252 in words is "eight hundred five billion, nineteen million, seven hundred forty-six thousand, two hundred fifty-two".