801611805693 has 16 divisors (see below), whose sum is σ = 1131706753920. Its totient is φ = 502963447296.

The previous prime is 801611805691. The next prime is 801611805739. The reversal of 801611805693 is 396508116108.

It is not a de Polignac number, because 801611805693 - 2¹ = 801611805691 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (801611805691) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4203313 + ... + 4389881.

It is an arithmetic number, because the mean of its divisors is an integer number (70731672120).

Almost surely, 2^801611805693 is an apocalyptic number.

It is an amenable number.

801611805693 is a deficient number, since it is larger than the sum of its proper divisors (330094948227).

801611805693 is a wasteful number, since it uses less digits than its factorization.

801611805693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 270836.

The product of its (nonzero) digits is 311040, while the sum is 48.

The spelling of 801611805693 in words is "eight hundred one billion, six hundred eleven million, eight hundred five thousand, six hundred ninety-three".