117172938449 has 8 divisors (see below), whose sum is σ = 133914400320. Its totient is φ = 100432094256.

The previous prime is 117172938439. The next prime is 117172938461. The reversal of 117172938449 is 944839271711.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 117172938449 - 2⁴ = 117172938433 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 117172938394 and 117172938403.

It is not an unprimeable number, because it can be changed into a prime (117172938419) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 371507 + ... + 610215.

It is an arithmetic number, because the mean of its divisors is an integer number (16739300040).

Almost surely, 2^117172938449 is an apocalyptic number.

It is an amenable number.

117172938449 is a deficient number, since it is larger than the sum of its proper divisors (16741461871).

117172938449 is an equidigital number, since it uses as much as digits as its factorization.

117172938449 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 308839.

The product of its digits is 3048192, while the sum is 56.

The spelling of 117172938449 in words is "one hundred seventeen billion, one hundred seventy-two million, nine hundred thirty-eight thousand, four hundred forty-nine".