117542430773 has 4 divisors (see below), whose sum is σ = 117576376608. Its totient is φ = 117508484940.

The previous prime is 117542430769. The next prime is 117542430779. The reversal of 117542430773 is 377034245711.

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 a cyclic number.

It is not a de Polignac number, because 117542430773 - 2² = 117542430769 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (117542430779) 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, 16967723 + ... + 16974648.

It is an arithmetic number, because the mean of its divisors is an integer number (29394094152).

Almost surely, 2^117542430773 is an apocalyptic number.

It is an amenable number.

117542430773 is a deficient number, since it is larger than the sum of its proper divisors (33945835).

117542430773 is an equidigital number, since it uses as much as digits as its factorization.

117542430773 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33945834.

The product of its (nonzero) digits is 493920, while the sum is 44.

The spelling of 117542430773 in words is "one hundred seventeen billion, five hundred forty-two million, four hundred thirty thousand, seven hundred seventy-three".