14563645536 has 96 divisors (see below), whose sum is σ = 41746513536. Its totient is φ = 4408832000.

The previous prime is 14563645501. The next prime is 14563645541. The reversal of 14563645536 is 63554636541.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1145776 + ... + 1158416.

It is an arithmetic number, because the mean of its divisors is an integer number (434859516).

Almost surely, 2^14563645536 is an apocalyptic number.

14563645536 is a gapful number since it is divisible by the number (16) 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 14563645536, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (20873256768).

14563645536 is an abundant number, since it is smaller than the sum of its proper divisors (27182868000).

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

14563645536 is a wasteful number, since it uses less digits than its factorization.

14563645536 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13756 (or 13748 counting only the distinct ones).

The product of its digits is 3888000, while the sum is 48.

The spelling of 14563645536 in words is "fourteen billion, five hundred sixty-three million, six hundred forty-five thousand, five hundred thirty-six".