13422444128251 has 16 divisors (see below), whose sum is σ = 13823172417600. Its totient is φ = 13023725989248.

The previous prime is 13422444128213. The next prime is 13422444128293. The reversal of 13422444128251 is 15282144422431.

13422444128251 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 13422444128251 - 2⁷ = 13422444128123 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 13422444128198 and 13422444128207.

It is not an unprimeable number, because it can be changed into a prime (13422444228251) 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, 81511666 + ... + 81676168.

It is an arithmetic number, because the mean of its divisors is an integer number (863948276100).

Almost surely, 2^{13422444128251} is an apocalyptic number.

13422444128251 is a deficient number, since it is larger than the sum of its proper divisors (400728289349).

13422444128251 is a wasteful number, since it uses less digits than its factorization.

13422444128251 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 170598.

The product of its digits is 491520, while the sum is 43.

The spelling of 13422444128251 in words is "thirteen trillion, four hundred twenty-two billion, four hundred forty-four million, one hundred twenty-eight thousand, two hundred fifty-one".