13109464368 has 240 divisors, whose sum is σ = 49260347136. Its totient is φ = 3143093760.

The previous prime is 13109464321. The next prime is 13109464369. The reversal of 13109464368 is 86346490131.

It is not an unprimeable number, because it can be changed into a prime (13109464369) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 98671 + ... + 189617.

Almost surely, 2^13109464368 is an apocalyptic number.

13109464368 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13109464368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24630173568).

13109464368 is an abundant number, since it is smaller than the sum of its proper divisors (36150882768).

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

13109464368 is a wasteful number, since it uses less digits than its factorization.

13109464368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 90992 (or 90983 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The spelling of 13109464368 in words is "thirteen billion, one hundred nine million, four hundred sixty-four thousand, three hundred sixty-eight".