1065939249 has 4 divisors (see below), whose sum is σ = 1421252336. Its totient is φ = 710626164.

The previous prime is 1065939229. The next prime is 1065939289. The reversal of 1065939249 is 9429395601.

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.

It is not a de Polignac number, because 1065939249 - 2¹² = 1065935153 is a prime.

It is a super-2 number, since 2×1065939249² = 2272452965117368002, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 1065939198 and 1065939207.

It is not an unprimeable number, because it can be changed into a prime (1065939229) 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, 177656539 + ... + 177656544.

It is an arithmetic number, because the mean of its divisors is an integer number (355313084).

Almost surely, 2^1065939249 is an apocalyptic number.

It is an amenable number.

1065939249 is a deficient number, since it is larger than the sum of its proper divisors (355313087).

1065939249 is an equidigital number, since it uses as much as digits as its factorization.

1065939249 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 355313086.

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 1065939249 is about 32648.7250746488. The cubic root of 1065939249 is about 1021.5135957829.

The spelling of 1065939249 in words is "one billion, sixty-five million, nine hundred thirty-nine thousand, two hundred forty-nine".