805469243013 has 48 divisors (see below), whose sum is σ = 1218631430016. Its totient is φ = 512232929280.

The previous prime is 805469243003. The next prime is 805469243021. The reversal of 805469243013 is 310342964508.

805469243013 is a `hidden beast` number, since 8 + 0 + 546 + 92 + 4 + 3 + 0 + 13 = 666.

805469243013 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 805469243013 - 2²⁰ = 805468194437 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 805469243013.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805469243003) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2835256 + ... + 3106382.

It is an arithmetic number, because the mean of its divisors is an integer number (25388154792).

Almost surely, 2^805469243013 is an apocalyptic number.

805469243013 is a gapful number since it is divisible by the number (83) formed by its first and last digit.

It is an amenable number.

805469243013 is a deficient number, since it is larger than the sum of its proper divisors (413162187003).

805469243013 is a wasteful number, since it uses less digits than its factorization.

805469243013 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271354 (or 271351 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 805469243013 in words is "eight hundred five billion, four hundred sixty-nine million, two hundred forty-three thousand, thirteen".