809296402692 has 12 divisors (see below), whose sum is σ = 1888358272976. Its totient is φ = 269765467560.

The previous prime is 809296402661. The next prime is 809296402741. The reversal of 809296402692 is 296204692908.

It is a tau number, because it is divible by the number of its divisors (12).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33720683434 + ... + 33720683457.

Almost surely, 2^809296402692 is an apocalyptic number.

It is an amenable number.

809296402692 is an abundant number, since it is smaller than the sum of its proper divisors (1079061870284).

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

809296402692 is a wasteful number, since it uses less digits than its factorization.

809296402692 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67441366898 (or 67441366896 counting only the distinct ones).

The product of its (nonzero) digits is 6718464, while the sum is 57.

The spelling of 809296402692 in words is "eight hundred nine billion, two hundred ninety-six million, four hundred two thousand, six hundred ninety-two".