1043909059 has 4 divisors (see below), whose sum is σ = 1043987616. Its totient is φ = 1043830504.

The previous prime is 1043909051. The next prime is 1043909117. The reversal of 1043909059 is 9509093401.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 1043909059 - 2³ = 1043909051 is a prime.

It is a super-2 number, since 2×1043909059² = 2179492246924530962, which contains 22 as substring.

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 not an unprimeable number, because it can be changed into a prime (1043909051) 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, 13864 + ... + 47749.

It is an arithmetic number, because the mean of its divisors is an integer number (260996904).

Almost surely, 2^1043909059 is an apocalyptic number.

1043909059 is a deficient number, since it is larger than the sum of its proper divisors (78557).

1043909059 is an equidigital number, since it uses as much as digits as its factorization.

1043909059 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 78556.

The product of its (nonzero) digits is 43740, while the sum is 40.

The square root of 1043909059 is about 32309.5815355136. The cubic root of 1043909059 is about 1014.4272076976.

The spelling of 1043909059 in words is "one billion, forty-three million, nine hundred nine thousand, fifty-nine".