1305434432404 has 12 divisors (see below), whose sum is σ = 2308061909524. Its totient is φ = 645988172544.

The previous prime is 1305434432369. The next prime is 1305434432503. The reversal of 1305434432404 is 4042344345031.

It can be written as a sum of positive squares in 2 ways, for example, as 178715871504 + 1126718560900 = 422748^2 + 1061470^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1682260479 + ... + 1682261254.

Almost surely, 2^{1305434432404} is an apocalyptic number.

It is an amenable number.

1305434432404 is a deficient number, since it is larger than the sum of its proper divisors (1002627477120).

1305434432404 is a wasteful number, since it uses less digits than its factorization.

1305434432404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3364521834 (or 3364521832 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 37.

Adding to 1305434432404 its reverse (4042344345031), we get a palindrome (5347778777435).

The spelling of 1305434432404 in words is "one trillion, three hundred five billion, four hundred thirty-four million, four hundred thirty-two thousand, four hundred four".