192929191009 has 4 divisors (see below), whose sum is σ = 192967991316. Its totient is φ = 192890390704.

The previous prime is 192929190947. The next prime is 192929191033. The reversal of 192929191009 is 900191929291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 900191929291 = 40531 ⋅22209961.

It can be written as a sum of positive squares in 2 ways, for example, as 92398976784 + 100530214225 = 303972^2 + 317065^2 .

It is a cyclic number.

It is not a de Polignac number, because 192929191009 - 2²¹ = 192927093857 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192929191109) 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, 19392694 + ... + 19402639.

It is an arithmetic number, because the mean of its divisors is an integer number (48241997829).

Almost surely, 2^192929191009 is an apocalyptic number.

It is an amenable number.

192929191009 is a deficient number, since it is larger than the sum of its proper divisors (38800307).

192929191009 is an equidigital number, since it uses as much as digits as its factorization.

192929191009 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38800306.

The product of its (nonzero) digits is 236196, while the sum is 52.

The spelling of 192929191009 in words is "one hundred ninety-two billion, nine hundred twenty-nine million, one hundred ninety-one thousand, nine".