13444313500 has 48 divisors (see below), whose sum is σ = 29379141792. Its totient is φ = 5374656000.

The previous prime is 13444313459. The next prime is 13444313501. The reversal of 13444313500 is 531344431.

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13444313501) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1001835 + ... + 1015165.

It is an arithmetic number, because the mean of its divisors is an integer number (612065454).

Almost surely, 2^13444313500 is an apocalyptic number.

13444313500 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13444313500 is an abundant number, since it is smaller than the sum of its proper divisors (15934828292).

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

13444313500 is a wasteful number, since it uses less digits than its factorization.

13444313500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15367 (or 15355 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

Adding to 13444313500 its reverse (531344431), we get a palindrome (13975657931).

The spelling of 13444313500 in words is "thirteen billion, four hundred forty-four million, three hundred thirteen thousand, five hundred".