192172791969 has 12 divisors (see below), whose sum is σ = 280927295376. Its totient is φ = 126571637592.

The previous prime is 192172791953. The next prime is 192172791983. The reversal of 192172791969 is 969197271291.

It is a happy number.

It is not a de Polignac number, because 192172791969 - 2⁴ = 192172791953 is a prime.

It is a super-2 number, since 2×192172791969² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (192172791919) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 128628967 + ... + 128630460.

It is an arithmetic number, because the mean of its divisors is an integer number (23410607948).

Almost surely, 2^192172791969 is an apocalyptic number.

It is an amenable number.

192172791969 is a deficient number, since it is larger than the sum of its proper divisors (88754503407).

192172791969 is a wasteful number, since it uses less digits than its factorization.

192172791969 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 257259516 (or 257259513 counting only the distinct ones).

The product of its digits is 7715736, while the sum is 63.

The spelling of 192172791969 in words is "one hundred ninety-two billion, one hundred seventy-two million, seven hundred ninety-one thousand, nine hundred sixty-nine".