2091633919793 has 4 divisors (see below), whose sum is σ = 2281782457968. Its totient is φ = 1901485381620.

The previous prime is 2091633919787. The next prime is 2091633919841. The reversal of 2091633919793 is 3979193361902.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 2091633919793 - 2¹⁰ = 2091633918769 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2091633919703) 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, 95074269071 + ... + 95074269092.

It is an arithmetic number, because the mean of its divisors is an integer number (570445614492).

Almost surely, 2^{2091633919793} is an apocalyptic number.

It is an amenable number.

2091633919793 is a deficient number, since it is larger than the sum of its proper divisors (190148538175).

2091633919793 is a wasteful number, since it uses less digits than its factorization.

2091633919793 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190148538174.

The product of its (nonzero) digits is 14880348, while the sum is 62.

The spelling of 2091633919793 in words is "two trillion, ninety-one billion, six hundred thirty-three million, nine hundred nineteen thousand, seven hundred ninety-three".