1093928413 has 4 divisors (see below), whose sum is σ = 1094855868. Its totient is φ = 1093000960.

The previous prime is 1093928411. The next prime is 1093928447. The reversal of 1093928413 is 3148293901.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3148293901 = 19 ⋅165699679.

It can be written as a sum of positive squares in 2 ways, for example, as 401080729 + 692847684 = 20027^2 + 26322^2 .

It is a cyclic number.

It is not a de Polignac number, because 1093928413 - 2¹ = 1093928411 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1093928411) 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, 461956 + ... + 464317.

It is an arithmetic number, because the mean of its divisors is an integer number (273713967).

Almost surely, 2^1093928413 is an apocalyptic number.

It is an amenable number.

1093928413 is a deficient number, since it is larger than the sum of its proper divisors (927455).

1093928413 is an equidigital number, since it uses as much as digits as its factorization.

1093928413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 927454.

The product of its (nonzero) digits is 46656, while the sum is 40.

The square root of 1093928413 is about 33074.5886293390. The cubic root of 1093928413 is about 1030.3773440681.

The spelling of 1093928413 in words is "one billion, ninety-three million, nine hundred twenty-eight thousand, four hundred thirteen".