1039109993 has 4 divisors (see below), whose sum is σ = 1039538820. Its totient is φ = 1038681168.

The previous prime is 1039109983. The next prime is 1039110011. The reversal of 1039109993 is 3999019301.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3999019301 = 30059 ⋅133039.

It can be written as a sum of positive squares in 2 ways, for example, as 811794064 + 227315929 = 28492^2 + 15077^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1039109993 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1039109963) 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, 210758 + ... + 215631.

It is an arithmetic number, because the mean of its divisors is an integer number (259884705).

Almost surely, 2^1039109993 is an apocalyptic number.

It is an amenable number.

1039109993 is a deficient number, since it is larger than the sum of its proper divisors (428827).

1039109993 is an equidigital number, since it uses as much as digits as its factorization.

1039109993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 428826.

The product of its (nonzero) digits is 59049, while the sum is 44.

The square root of 1039109993 is about 32235.2290669696. The cubic root of 1039109993 is about 1012.8703088500.

The spelling of 1039109993 in words is "one billion, thirty-nine million, one hundred nine thousand, nine hundred ninety-three".