1344811841 has 4 divisors (see below), whose sum is σ = 1351779972. Its totient is φ = 1337843712.

The previous prime is 1344811789. The next prime is 1344811861. The reversal of 1344811841 is 1481184431.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1481184431 = 29717 ⋅49843.

It can be written as a sum of positive squares in 2 ways, for example, as 185068816 + 1159743025 = 13604^2 + 34055^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1344811841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1344811861) 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, 3483776 + ... + 3484161.

It is an arithmetic number, because the mean of its divisors is an integer number (337944993).

Almost surely, 2^1344811841 is an apocalyptic number.

It is an amenable number.

1344811841 is a deficient number, since it is larger than the sum of its proper divisors (6968131).

1344811841 is an equidigital number, since it uses as much as digits as its factorization.

1344811841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6968130.

The product of its digits is 12288, while the sum is 35.

The square root of 1344811841 is about 36671.6762774761. The cubic root of 1344811841 is about 1103.7918289780.

The spelling of 1344811841 in words is "one billion, three hundred forty-four million, eight hundred eleven thousand, eight hundred forty-one".