13410420454021 has 16 divisors (see below), whose sum is σ = 13441849288240. Its totient is φ = 13379043041280.

The previous prime is 13410420454009. The next prime is 13410420454063. The reversal of 13410420454021 is 12045402401431.

It is a happy number.

It can be written as a sum of positive squares in 8 ways, for example, as 158010225025 + 13252410228996 = 397505^2 + 3640386^2 .

It is a cyclic number.

It is not a de Polignac number, because 13410420454021 - 2⁹ = 13410420453509 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13410420454421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3990007381 + ... + 3990010741.

It is an arithmetic number, because the mean of its divisors is an integer number (840115580515).

Almost surely, 2^{13410420454021} is an apocalyptic number.

It is an amenable number.

13410420454021 is a deficient number, since it is larger than the sum of its proper divisors (31428834219).

13410420454021 is a wasteful number, since it uses less digits than its factorization.

13410420454021 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8584.

The product of its (nonzero) digits is 15360, while the sum is 31.

Adding to 13410420454021 its reverse (12045402401431), we get a palindrome (25455822855452).

The spelling of 13410420454021 in words is "thirteen trillion, four hundred ten billion, four hundred twenty million, four hundred fifty-four thousand, twenty-one".