823641242795 has 12 divisors (see below), whose sum is σ = 1149735939264. Its totient is φ = 564782566320.

The previous prime is 823641242779. The next prime is 823641242833. The reversal of 823641242795 is 597242146328.

It is not a de Polignac number, because 823641242795 - 2⁴ = 823641242779 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1680900251 + ... + 1680900740.

It is an arithmetic number, because the mean of its divisors is an integer number (95811328272).

Almost surely, 2^823641242795 is an apocalyptic number.

823641242795 is a deficient number, since it is larger than the sum of its proper divisors (326094696469).

823641242795 is a wasteful number, since it uses less digits than its factorization.

823641242795 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3361801010 (or 3361801003 counting only the distinct ones).

The product of its digits is 5806080, while the sum is 53.

The spelling of 823641242795 in words is "eight hundred twenty-three billion, six hundred forty-one million, two hundred forty-two thousand, seven hundred ninety-five".