14340359521 has 8 divisors (see below), whose sum is σ = 14580398888. Its totient is φ = 14100480000.

The previous prime is 14340359477. The next prime is 14340359531. The reversal of 14340359521 is 12595304341.

It can be written as a sum of positive squares in 4 ways, for example, as 5628750625 + 8711608896 = 75025^2 + 93336^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a 4-Lehmer number, since φ(14340359521) divides (14340359521-1)⁴.

It is a cyclic number.

It is not a de Polignac number, because 14340359521 - 2⁷ = 14340359393 is a prime.

It is a super-2 number, since 2×14340359521² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14340359531) 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, 148321 + ... + 225121.

It is an arithmetic number, because the mean of its divisors is an integer number (1822549861).

It is the magic constant of a 3061 × 3061 magic square.

Almost surely, 2^14340359521 is an apocalyptic number.

It is an amenable number.

14340359521 is a deficient number, since it is larger than the sum of its proper divisors (240039367).

14340359521 is an equidigital number, since it uses as much as digits as its factorization.

14340359521 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 79923.

The product of its (nonzero) digits is 64800, while the sum is 37.

The spelling of 14340359521 in words is "fourteen billion, three hundred forty million, three hundred fifty-nine thousand, five hundred twenty-one".