117434783321 has 4 divisors (see below), whose sum is σ = 117436334544. Its totient is φ = 117433232100.

The previous prime is 117434783299. The next prime is 117434783341. The reversal of 117434783321 is 123387434711.

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 a de Polignac number, because none of the positive numbers 2^k-117434783321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (117434783341) 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, 655895 + ... + 815516.

It is an arithmetic number, because the mean of its divisors is an integer number (29359083636).

Almost surely, 2^117434783321 is an apocalyptic number.

It is an amenable number.

117434783321 is a deficient number, since it is larger than the sum of its proper divisors (1551223).

117434783321 is an equidigital number, since it uses as much as digits as its factorization.

117434783321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1551222.

The product of its digits is 338688, while the sum is 44.

The spelling of 117434783321 in words is "one hundred seventeen billion, four hundred thirty-four million, seven hundred eighty-three thousand, three hundred twenty-one".