192795770819 has 4 divisors (see below), whose sum is σ = 196897808544. Its totient is φ = 188693733096.

The previous prime is 192795770807. The next prime is 192795770821. The reversal of 192795770819 is 918077597291.

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

It is a cyclic number.

It is not a de Polignac number, because 192795770819 - 2¹⁶ = 192795705283 is a prime.

It is a super-2 number, since 2×192795770819² (a number of 23 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192795670819) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2051018792 + ... + 2051018885.

It is an arithmetic number, because the mean of its divisors is an integer number (49224452136).

Almost surely, 2^192795770819 is an apocalyptic number.

192795770819 is a deficient number, since it is larger than the sum of its proper divisors (4102037725).

192795770819 is an equidigital number, since it uses as much as digits as its factorization.

192795770819 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4102037724.

The product of its (nonzero) digits is 20003760, while the sum is 65.

The spelling of 192795770819 in words is "one hundred ninety-two billion, seven hundred ninety-five million, seven hundred seventy thousand, eight hundred nineteen".