172827269913 has 32 divisors (see below), whose sum is σ = 241918643200. Its totient is φ = 109605830400.

The previous prime is 172827269911. The next prime is 172827269929. The reversal of 172827269913 is 319962728271.

It is a happy number.

It is not a de Polignac number, because 172827269913 - 2¹ = 172827269911 is a prime.

It is a super-3 number, since 3×172827269913³ (a number of 35 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (172827269911) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10140483 + ... + 10157511.

It is an arithmetic number, because the mean of its divisors is an integer number (7559957600).

Almost surely, 2^172827269913 is an apocalyptic number.

It is an amenable number.

172827269913 is a deficient number, since it is larger than the sum of its proper divisors (69091373287).

172827269913 is a wasteful number, since it uses less digits than its factorization.

172827269913 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18913.

The product of its digits is 4572288, while the sum is 57.

The spelling of 172827269913 in words is "one hundred seventy-two billion, eight hundred twenty-seven million, two hundred sixty-nine thousand, nine hundred thirteen".