13871628544 has 36 divisors (see below), whose sum is σ = 28102375504. Its totient is φ = 6832286208.

The previous prime is 13871628541. The next prime is 13871628553. The reversal of 13871628544 is 44582617831.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (13871628541) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 387222 + ... + 421525.

Almost surely, 2^13871628544 is an apocalyptic number.

It is an amenable number.

13871628544 is an abundant number, since it is smaller than the sum of its proper divisors (14230746960).

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

13871628544 is an frugal number, since it uses more digits than its factorization.

13871628544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 808830 (or 808816 counting only the distinct ones).

The product of its digits is 1290240, while the sum is 49.

The spelling of 13871628544 in words is "thirteen billion, eight hundred seventy-one million, six hundred twenty-eight thousand, five hundred forty-four".