13654666226 has 4 divisors (see below), whose sum is σ = 20481999342. Its totient is φ = 6827333112.

The previous prime is 13654666219. The next prime is 13654666241. The reversal of 13654666226 is 62266645631.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 62266645631 = 137 ⋅454501063.

It can be written as a sum of positive squares in only one way, i.e., 13438605625 + 216060601 = 115925^2 + 14699^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3413666555 + ... + 3413666558.

Almost surely, 2^13654666226 is an apocalyptic number.

13654666226 is a deficient number, since it is larger than the sum of its proper divisors (6827333116).

13654666226 is an equidigital number, since it uses as much as digits as its factorization.

13654666226 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6827333115.

The product of its digits is 1866240, while the sum is 47.

The spelling of 13654666226 in words is "thirteen billion, six hundred fifty-four million, six hundred sixty-six thousand, two hundred twenty-six".