172959249347 has 4 divisors (see below), whose sum is σ = 183133322856. Its totient is φ = 162785175840.

The previous prime is 172959249341. The next prime is 172959249361. The reversal of 172959249347 is 743942959271.

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 172959249347 - 2⁶ = 172959249283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 172959249347.

It is not an unprimeable number, because it can be changed into a prime (172959249341) 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 3 ways as a sum of consecutive naturals, for example, 5087036729 + ... + 5087036762.

It is an arithmetic number, because the mean of its divisors is an integer number (45783330714).

Almost surely, 2^172959249347 is an apocalyptic number.

172959249347 is a gapful number since it is divisible by the number (17) formed by its first and last digit.

172959249347 is a deficient number, since it is larger than the sum of its proper divisors (10174073509).

172959249347 is a wasteful number, since it uses less digits than its factorization.

172959249347 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10174073508.

The product of its digits is 34292160, while the sum is 62.

The spelling of 172959249347 in words is "one hundred seventy-two billion, nine hundred fifty-nine million, two hundred forty-nine thousand, three hundred forty-seven".