13422656427 has 16 divisors (see below), whose sum is σ = 18493946880. Its totient is φ = 8650519200.

The previous prime is 13422656407. The next prime is 13422656431. The reversal of 13422656427 is 72465622431.

13422656427 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 13422656427 - 2⁶ = 13422656363 is a prime.

It is not an unprimeable number, because it can be changed into a prime (13422656407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10824 + ... + 164202.

It is an arithmetic number, because the mean of its divisors is an integer number (1155871680).

Almost surely, 2^13422656427 is an apocalyptic number.

13422656427 is a deficient number, since it is larger than the sum of its proper divisors (5071290453).

13422656427 is a wasteful number, since it uses less digits than its factorization.

13422656427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154354.

The product of its digits is 483840, while the sum is 42.

It can be divided in two parts, 134226 and 56427, that added together give a triangular number (190653 = T₆₁₇).

The spelling of 13422656427 in words is "thirteen billion, four hundred twenty-two million, six hundred fifty-six thousand, four hundred twenty-seven".