14015564321 has 4 divisors (see below), whose sum is σ = 15289706544. Its totient is φ = 12741422100.

The previous prime is 14015564281. The next prime is 14015564327. The reversal of 14015564321 is 12346551041.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 14015564321 - 2¹⁰ = 14015563297 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14015564327) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 637071095 + ... + 637071116.

It is an arithmetic number, because the mean of its divisors is an integer number (3822426636).

Almost surely, 2^14015564321 is an apocalyptic number.

14015564321 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

14015564321 is a deficient number, since it is larger than the sum of its proper divisors (1274142223).

14015564321 is a wasteful number, since it uses less digits than its factorization.

14015564321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274142222.

The product of its (nonzero) digits is 14400, while the sum is 32.

The spelling of 14015564321 in words is "fourteen billion, fifteen million, five hundred sixty-four thousand, three hundred twenty-one".