1129573389 has 16 divisors (see below), whose sum is σ = 1811847680. Its totient is φ = 611498160.

The previous prime is 1129573373. The next prime is 1129573409. The reversal of 1129573389 is 9833759211.

It is not a de Polignac number, because 1129573389 - 2⁴ = 1129573373 is a prime.

It is a super-2 number, since 2×1129573389² = 2551872082273890642, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1129573189) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1415107 + ... + 1415904.

It is an arithmetic number, because the mean of its divisors is an integer number (113240480).

Almost surely, 2^1129573389 is an apocalyptic number.

1129573389 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1129573389 is a deficient number, since it is larger than the sum of its proper divisors (682274291).

1129573389 is a wasteful number, since it uses less digits than its factorization.

1129573389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2831040.

The product of its digits is 408240, while the sum is 48.

The square root of 1129573389 is about 33609.1265730010. The cubic root of 1129573389 is about 1041.4493442085.

The spelling of 1129573389 in words is "one billion, one hundred twenty-nine million, five hundred seventy-three thousand, three hundred eighty-nine".