1069438539 has 32 divisors (see below), whose sum is σ = 1610441280. Its totient is φ = 626669568.

The previous prime is 1069438463. The next prime is 1069438549. The reversal of 1069438539 is 9358349601.

It is not a de Polignac number, because 1069438539 - 2¹⁹ = 1068914251 is a prime.

It is a super-2 number, since 2×1069438539² = 2287397577396909042, which contains 22 as substring.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (1069438549) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 76087 + ... + 89039.

It is an arithmetic number, because the mean of its divisors is an integer number (50326290).

Almost surely, 2^1069438539 is an apocalyptic number.

1069438539 is a deficient number, since it is larger than the sum of its proper divisors (541002741).

1069438539 is a wasteful number, since it uses less digits than its factorization.

1069438539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13071.

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 1069438539 is about 32702.2711596611. The cubic root of 1069438539 is about 1022.6301909576.

The spelling of 1069438539 in words is "one billion, sixty-nine million, four hundred thirty-eight thousand, five hundred thirty-nine".