1117953673 has 4 divisors (see below), whose sum is σ = 1176793360. Its totient is φ = 1059113988.

The previous prime is 1117953659. The next prime is 1117953679. The reversal of 1117953673 is 3763597111.

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-1117953673 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1117953679) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 29419815 + ... + 29419852.

It is an arithmetic number, because the mean of its divisors is an integer number (294198340).

Almost surely, 2^1117953673 is an apocalyptic number.

It is an amenable number.

1117953673 is a deficient number, since it is larger than the sum of its proper divisors (58839687).

1117953673 is an equidigital number, since it uses as much as digits as its factorization.

1117953673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 58839686.

The product of its digits is 119070, while the sum is 43.

The square root of 1117953673 is about 33435.8142266642. The cubic root of 1117953673 is about 1037.8659621152.

The spelling of 1117953673 in words is "one billion, one hundred seventeen million, nine hundred fifty-three thousand, six hundred seventy-three".