1204234403409 has 12 divisors (see below), whose sum is σ = 1739640771700. Its totient is φ = 802734745824.

The previous prime is 1204234403389. The next prime is 1204234403431. The reversal of 1204234403409 is 9043044324021.

1204234403409 is a `hidden beast` number, since 1 + 204 + 2 + 3 + 4 + 40 + 3 + 409 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 731230214400 + 473004189009 = 855120^2 + 687753^2 .

It is not a de Polignac number, because 1204234403409 - 2¹⁷ = 1204234272337 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (1204234403479) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7262614 + ... + 7426575.

Almost surely, 2^{1204234403409} is an apocalyptic number.

It is an amenable number.

1204234403409 is a deficient number, since it is larger than the sum of its proper divisors (535406368291).

1204234403409 is a wasteful number, since it uses less digits than its factorization.

1204234403409 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14698304 (or 14698301 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 1204234403409 in words is "one trillion, two hundred four billion, two hundred thirty-four million, four hundred three thousand, four hundred nine".