13425401034421 has 16 divisors (see below), whose sum is σ = 14234260493376. Its totient is φ = 12618669563136.

The previous prime is 13425401034391. The next prime is 13425401034427. The reversal of 13425401034421 is 12443010452431.

13425401034421 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 13425401034421 - 2⁹ = 13425401033909 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 (13425401034427) 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, 231655170 + ... + 231713116.

It is an arithmetic number, because the mean of its divisors is an integer number (889641280836).

Almost surely, 2^{13425401034421} is an apocalyptic number.

It is an amenable number.

13425401034421 is a deficient number, since it is larger than the sum of its proper divisors (808859458955).

13425401034421 is a wasteful number, since it uses less digits than its factorization.

13425401034421 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 76068.

The product of its (nonzero) digits is 46080, while the sum is 34.

Adding to 13425401034421 its reverse (12443010452431), we get a palindrome (25868411486852).

The spelling of 13425401034421 in words is "thirteen trillion, four hundred twenty-five billion, four hundred one million, thirty-four thousand, four hundred twenty-one".