13688261446 has 8 divisors (see below), whose sum is σ = 21425104944. Its totient is φ = 6546559800.

The previous prime is 13688261443. The next prime is 13688261453. The reversal of 13688261446 is 64416288631.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 13688261446.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13688261443) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 148785405 + ... + 148785496.

It is an arithmetic number, because the mean of its divisors is an integer number (2678138118).

Almost surely, 2^13688261446 is an apocalyptic number.

13688261446 is a deficient number, since it is larger than the sum of its proper divisors (7736843498).

13688261446 is a wasteful number, since it uses less digits than its factorization.

13688261446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 297570926.

The product of its digits is 1327104, while the sum is 49.

The spelling of 13688261446 in words is "thirteen billion, six hundred eighty-eight million, two hundred sixty-one thousand, four hundred forty-six".