1344306561 has 16 divisors (see below), whose sum is σ = 1936890816. Its totient is φ = 824435136.

The previous prime is 1344306541. The next prime is 1344306577. The reversal of 1344306561 is 1656034431.

It is not a de Polignac number, because 1344306561 - 2⁶ = 1344306497 is a prime.

It is not an unprimeable number, because it can be changed into a prime (1344306541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47395 + ... + 70248.

It is an arithmetic number, because the mean of its divisors is an integer number (121055676).

Almost surely, 2^1344306561 is an apocalyptic number.

It is an amenable number.

1344306561 is a deficient number, since it is larger than the sum of its proper divisors (592584255).

1344306561 is a wasteful number, since it uses less digits than its factorization.

1344306561 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 117952.

The product of its (nonzero) digits is 25920, while the sum is 33.

The square root of 1344306561 is about 36664.7863896682. The cubic root of 1344306561 is about 1103.6535707763.

The spelling of 1344306561 in words is "one billion, three hundred forty-four million, three hundred six thousand, five hundred sixty-one".