1058379209 has 4 divisors (see below), whose sum is σ = 1068089220. Its totient is φ = 1048669200.

The previous prime is 1058379193. The next prime is 1058379241. The reversal of 1058379209 is 9029738501.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 390931984 + 667447225 = 19772^2 + 25835^2 .

It is a cyclic number.

It is not a de Polignac number, because 1058379209 - 2⁴ = 1058379193 is a prime.

It is a super-2 number, since 2×1058379209² = 2240333100086931362, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1058379209.

It is not an unprimeable number, because it can be changed into a prime (1058379269) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4854842 + ... + 4855059.

It is an arithmetic number, because the mean of its divisors is an integer number (267022305).

Almost surely, 2^1058379209 is an apocalyptic number.

It is an amenable number.

1058379209 is a deficient number, since it is larger than the sum of its proper divisors (9710011).

1058379209 is an equidigital number, since it uses as much as digits as its factorization.

1058379209 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9710010.

The product of its (nonzero) digits is 136080, while the sum is 44.

The square root of 1058379209 is about 32532.7405700780. The cubic root of 1058379209 is about 1019.0928783048.

The spelling of 1058379209 in words is "one billion, fifty-eight million, three hundred seventy-nine thousand, two hundred nine".