3245504042421 has 40 divisors (see below), whose sum is σ = 4967972279424. Its totient is φ = 2110259027520.

The previous prime is 3245504042401. The next prime is 3245504042447. The reversal of 3245504042421 is 1242404055423.

3245504042421 is a `hidden beast` number, since 3 + 2 + 4 + 5 + 5 + 0 + 404 + 242 + 1 = 666.

It is not a de Polignac number, because 3245504042421 - 2¹⁹ = 3245503518133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3245504042401) by changing a digit.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 10969396 + ... + 11261378.

Almost surely, 2^{3245504042421} is an apocalyptic number.

It is an amenable number.

3245504042421 is a deficient number, since it is larger than the sum of its proper divisors (1722468237003).

3245504042421 is a wasteful number, since it uses less digits than its factorization.

3245504042421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 295383 (or 295374 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 36.

Adding to 3245504042421 its reverse (1242404055423), we get a palindrome (4487908097844).

The spelling of 3245504042421 in words is "three trillion, two hundred forty-five billion, five hundred four million, forty-two thousand, four hundred twenty-one".