1043389369 has 4 divisors (see below), whose sum is σ = 1138242960. Its totient is φ = 948535780.

The previous prime is 1043389363. The next prime is 1043389379. The reversal of 1043389369 is 9639833401.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 9639833401 = 11 ⋅876348491.

It is a cyclic number.

It is not a de Polignac number, because 1043389369 - 2⁷ = 1043389241 is a prime.

It is a super-2 number, since 2×1043389369² = 2177322750684436322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1043389363) 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, 47426779 + ... + 47426800.

It is an arithmetic number, because the mean of its divisors is an integer number (284560740).

Almost surely, 2^1043389369 is an apocalyptic number.

It is an amenable number.

1043389369 is a deficient number, since it is larger than the sum of its proper divisors (94853591).

1043389369 is an equidigital number, since it uses as much as digits as its factorization.

1043389369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94853590.

The product of its (nonzero) digits is 419904, while the sum is 46.

The square root of 1043389369 is about 32301.5381831887. The cubic root of 1043389369 is about 1014.2588420791.

The spelling of 1043389369 in words is "one billion, forty-three million, three hundred eighty-nine thousand, three hundred sixty-nine".