1093923813 has 8 divisors (see below), whose sum is σ = 1458722368. Its totient is φ = 729203904.

The previous prime is 1093923811. The next prime is 1093923847. The reversal of 1093923813 is 3183293901.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 1093923813 - 2¹ = 1093923811 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093923811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 32781 + ... + 57117.

It is an arithmetic number, because the mean of its divisors is an integer number (182340296).

Almost surely, 2^1093923813 is an apocalyptic number.

It is an amenable number.

1093923813 is a deficient number, since it is larger than the sum of its proper divisors (364798555).

1093923813 is a wasteful number, since it uses less digits than its factorization.

1093923813 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39323.

The product of its (nonzero) digits is 34992, while the sum is 39.

The square root of 1093923813 is about 33074.5190894743. The cubic root of 1093923813 is about 1030.3758998108.

The spelling of 1093923813 in words is "one billion, ninety-three million, nine hundred twenty-three thousand, eight hundred thirteen".