192153712217 has 4 divisors (see below), whose sum is σ = 193556294196. Its totient is φ = 190751130240.

The previous prime is 192153712211. The next prime is 192153712229. The reversal of 192153712217 is 712217351291.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 712217351291 = 1627 ⋅437748833.

It can be written as a sum of positive squares in 2 ways, for example, as 99131152201 + 93022560016 = 314851^2 + 304996^2 .

It is a cyclic number.

It is not a de Polignac number, because 192153712217 - 2¹⁶ = 192153646681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (192153712211) 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, 701290784 + ... + 701291057.

It is an arithmetic number, because the mean of its divisors is an integer number (48389073549).

Almost surely, 2^192153712217 is an apocalyptic number.

It is an amenable number.

192153712217 is a deficient number, since it is larger than the sum of its proper divisors (1402581979).

192153712217 is a wasteful number, since it uses less digits than its factorization.

192153712217 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1402581978.

The product of its digits is 52920, while the sum is 41.

The spelling of 192153712217 in words is "one hundred ninety-two billion, one hundred fifty-three million, seven hundred twelve thousand, two hundred seventeen".