1065491329 has 24 divisors (see below), whose sum is σ = 1307124000. Its totient is φ = 863593920.

The previous prime is 1065491309. The next prime is 1065491377. The reversal of 1065491329 is 9231945601.

It is not a de Polignac number, because 1065491329 - 2²¹ = 1063394177 is a prime.

It is a super-2 number, since 2×1065491329² = 2270543544348372482, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1065491291 and 1065491300.

It is not an unprimeable number, because it can be changed into a prime (1065491309) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 976074 + ... + 977164.

It is an arithmetic number, because the mean of its divisors is an integer number (54463500).

Almost surely, 2^1065491329 is an apocalyptic number.

1065491329 is a gapful number since it is divisible by the number (19) formed by its first and last digit.

It is an amenable number.

1065491329 is a deficient number, since it is larger than the sum of its proper divisors (241632671).

1065491329 is a wasteful number, since it uses less digits than its factorization.

1065491329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2173 (or 2166 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 40.

The square root of 1065491329 is about 32641.8646679383. The cubic root of 1065491329 is about 1021.3704917941.

The spelling of 1065491329 in words is "one billion, sixty-five million, four hundred ninety-one thousand, three hundred twenty-nine".