1413040443421 has 2 divisors, whose sum is σ = 1413040443422. Its totient is φ = 1413040443420.

The previous prime is 1413040443371. The next prime is 1413040443439. The reversal of 1413040443421 is 1243440403141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1403073416196 + 9967027225 = 1184514^2 + 99835^2 .

It is a cyclic number.

It is not a de Polignac number, because 1413040443421 - 2¹³ = 1413040435229 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1413040443461) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 706520221710 + 706520221711.

It is an arithmetic number, because the mean of its divisors is an integer number (706520221711).

Almost surely, 2^{1413040443421} is an apocalyptic number.

It is an amenable number.

1413040443421 is a deficient number, since it is larger than the sum of its proper divisors (1).

1413040443421 is an equidigital number, since it uses as much as digits as its factorization.

1413040443421 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 1413040443421 its reverse (1243440403141), we get a palindrome (2656480846562).

The spelling of 1413040443421 in words is "one trillion, four hundred thirteen billion, forty million, four hundred forty-three thousand, four hundred twenty-one".