805629932311 has 4 divisors (see below), whose sum is σ = 805636471312. Its totient is φ = 805623393312.

The previous prime is 805629932299. The next prime is 805629932329. The reversal of 805629932311 is 113239926508.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-805629932311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (805629932381) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3081075 + ... + 3332308.

It is an arithmetic number, because the mean of its divisors is an integer number (201409117828).

Almost surely, 2^805629932311 is an apocalyptic number.

805629932311 is a deficient number, since it is larger than the sum of its proper divisors (6539001).

805629932311 is a wasteful number, since it uses less digits than its factorization.

805629932311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6539000.

The product of its (nonzero) digits is 699840, while the sum is 49.

The spelling of 805629932311 in words is "eight hundred five billion, six hundred twenty-nine million, nine hundred thirty-two thousand, three hundred eleven".