1113641673 has 16 divisors (see below), whose sum is σ = 1537341120. Its totient is φ = 716227904.

The previous prime is 1113641657. The next prime is 1113641693. The reversal of 1113641673 is 3761463111.

It is a cyclic number.

It is not a de Polignac number, because 1113641673 - 2⁴ = 1113641657 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1113641693) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 114790 + ... + 124112.

It is an arithmetic number, because the mean of its divisors is an integer number (96083820).

Almost surely, 2^1113641673 is an apocalyptic number.

It is an amenable number.

1113641673 is a deficient number, since it is larger than the sum of its proper divisors (423699447).

1113641673 is a wasteful number, since it uses less digits than its factorization.

1113641673 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10728.

The product of its digits is 9072, while the sum is 33.

The square root of 1113641673 is about 33371.2701736089. The cubic root of 1113641673 is about 1036.5298768838.

The spelling of 1113641673 in words is "one billion, one hundred thirteen million, six hundred forty-one thousand, six hundred seventy-three".