1049228447065 has 4 divisors (see below), whose sum is σ = 1259074136484. Its totient is φ = 839382757648.

The previous prime is 1049228446969. The next prime is 1049228447077. The reversal of 1049228447065 is 5607448229401.

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 393369804864 + 655858642201 = 627192^2 + 809851^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1049228447065 is a prime.

It is a super-2 number, since 2×1049228447065² (a number of 25 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104922844702 + ... + 104922844711.

It is an arithmetic number, because the mean of its divisors is an integer number (314768534121).

Almost surely, 2^{1049228447065} is an apocalyptic number.

It is an amenable number.

1049228447065 is a deficient number, since it is larger than the sum of its proper divisors (209845689419).

1049228447065 is an equidigital number, since it uses as much as digits as its factorization.

1049228447065 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 209845689418.

The product of its (nonzero) digits is 3870720, while the sum is 52.

The spelling of 1049228447065 in words is "one trillion, forty-nine billion, two hundred twenty-eight million, four hundred forty-seven thousand, sixty-five".