1339244893465 has 4 divisors (see below), whose sum is σ = 1607093872164. Its totient is φ = 1071395914768.

The previous prime is 1339244893463. The next prime is 1339244893499. The reversal of 1339244893465 is 5643984429331.

It is a happy number.

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 775512719424 + 563732174041 = 880632^2 + 750821^2 .

It is a cyclic number.

It is not a de Polignac number, because 1339244893465 - 2¹ = 1339244893463 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1339244893463) 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, 133924489342 + ... + 133924489351.

It is an arithmetic number, because the mean of its divisors is an integer number (401773468041).

Almost surely, 2^{1339244893465} is an apocalyptic number.

It is an amenable number.

1339244893465 is a deficient number, since it is larger than the sum of its proper divisors (267848978699).

1339244893465 is an equidigital number, since it uses as much as digits as its factorization.

1339244893465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267848978698.

The product of its digits is 67184640, while the sum is 61.

The spelling of 1339244893465 in words is "one trillion, three hundred thirty-nine billion, two hundred forty-four million, eight hundred ninety-three thousand, four hundred sixty-five".