13188426406 has 16 divisors (see below), whose sum is σ = 19825689600. Its totient is φ = 6579880128.

The previous prime is 13188426403. The next prime is 13188426439. The reversal of 13188426406 is 60462488131.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13188426403) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2066236 + ... + 2072608.

It is an arithmetic number, because the mean of its divisors is an integer number (1239105600).

Almost surely, 2^13188426406 is an apocalyptic number.

13188426406 is a deficient number, since it is larger than the sum of its proper divisors (6637263194).

13188426406 is a wasteful number, since it uses less digits than its factorization.

13188426406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8463.

The product of its (nonzero) digits is 221184, while the sum is 43.

The spelling of 13188426406 in words is "thirteen billion, one hundred eighty-eight million, four hundred twenty-six thousand, four hundred six".