13250424666 has 8 divisors (see below), whose sum is σ = 26500849344. Its totient is φ = 4416808220.

The previous prime is 13250424599. The next prime is 13250424667. The reversal of 13250424666 is 66642405231.

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

13250424666 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (13250424667) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1104202050 + ... + 1104202061.

It is an arithmetic number, because the mean of its divisors is an integer number (3312606168).

Almost surely, 2^13250424666 is an apocalyptic number.

13250424666 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

13250424666 is a wasteful number, since it uses less digits than its factorization.

13250424666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2208404116.

The product of its (nonzero) digits is 207360, while the sum is 39.

Adding to 13250424666 its reverse (66642405231), we get a palindrome (79892829897).

The spelling of 13250424666 in words is "thirteen billion, two hundred fifty million, four hundred twenty-four thousand, six hundred sixty-six".