13662289274 has 4 divisors (see below), whose sum is σ = 20493433914. Its totient is φ = 6831144636.

The previous prime is 13662289273. The next prime is 13662289313. The reversal of 13662289274 is 47298226631.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 47298226631 = 19 ⋅2489380349.

It can be written as a sum of positive squares in only one way, i.e., 12806317225 + 855972049 = 113165^2 + 29257^2 .

It is not an unprimeable number, because it can be changed into a prime (13662289273) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3415572317 + ... + 3415572320.

Almost surely, 2^13662289274 is an apocalyptic number.

13662289274 is a deficient number, since it is larger than the sum of its proper divisors (6831144640).

13662289274 is an equidigital number, since it uses as much as digits as its factorization.

13662289274 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6831144639.

The product of its digits is 1741824, while the sum is 50.

The spelling of 13662289274 in words is "thirteen billion, six hundred sixty-two million, two hundred eighty-nine thousand, two hundred seventy-four".