14678921532 has 48 divisors (see below), whose sum is σ = 38652969600. Its totient is φ = 4294772160.

The previous prime is 14678921531. The next prime is 14678921573. The reversal of 14678921532 is 23512987641.

It is a super-2 number, since 2×14678921532² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14678921531) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1913482 + ... + 1921137.

It is an arithmetic number, because the mean of its divisors is an integer number (805270200).

Almost surely, 2^14678921532 is an apocalyptic number.

14678921532 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

14678921532 is an abundant number, since it is smaller than the sum of its proper divisors (23974048068).

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

14678921532 is a wasteful number, since it uses less digits than its factorization.

14678921532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3834666 (or 3834664 counting only the distinct ones).

The product of its digits is 725760, while the sum is 48.

The spelling of 14678921532 in words is "fourteen billion, six hundred seventy-eight million, nine hundred twenty-one thousand, five hundred thirty-two".