13047300644 has 24 divisors (see below), whose sum is σ = 26151726720. Its totient is φ = 5579459136.

The previous prime is 13047300583. The next prime is 13047300647. The reversal of 13047300644 is 44600374031.

It is a self number, because there is not a number n which added to its sum of digits gives 13047300644.

It is not an unprimeable number, because it can be changed into a prime (13047300647) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 497024 + ... + 522615.

It is an arithmetic number, because the mean of its divisors is an integer number (1089655280).

Almost surely, 2^13047300644 is an apocalyptic number.

13047300644 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

13047300644 is an abundant number, since it is smaller than the sum of its proper divisors (13104426076).

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

13047300644 is a wasteful number, since it uses less digits than its factorization.

13047300644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1020107 (or 1020105 counting only the distinct ones).

The product of its (nonzero) digits is 24192, while the sum is 32.

Adding to 13047300644 its reverse (44600374031), we get a palindrome (57647674675).

The spelling of 13047300644 in words is "thirteen billion, forty-seven million, three hundred thousand, six hundred forty-four".