117444209457 has 4 divisors (see below), whose sum is σ = 156592279280. Its totient is φ = 78296139636.

The previous prime is 117444209437. The next prime is 117444209461. The reversal of 117444209457 is 754902444711.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 117444209457 - 2²⁰ = 117443160881 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (117444209437) 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, 19574034907 + ... + 19574034912.

It is an arithmetic number, because the mean of its divisors is an integer number (39148069820).

Almost surely, 2^117444209457 is an apocalyptic number.

It is an amenable number.

117444209457 is a deficient number, since it is larger than the sum of its proper divisors (39148069823).

117444209457 is an equidigital number, since it uses as much as digits as its factorization.

117444209457 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39148069822.

The product of its (nonzero) digits is 1128960, while the sum is 48.

The spelling of 117444209457 in words is "one hundred seventeen billion, four hundred forty-four million, two hundred nine thousand, four hundred fifty-seven".