14505221513 has 8 divisors (see below), whose sum is σ = 14671398600. Its totient is φ = 14339115648.

The previous prime is 14505221483. The next prime is 14505221569. The reversal of 14505221513 is 31512250541.

It can be written as a sum of positive squares in 4 ways, for example, as 150544 + 14505070969 = 388^2 + 120437^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 14505221513 - 2⁸ = 14505221257 is a prime.

It is a super-2 number, since 2×14505221513² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (14504221513) 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, 466703 + ... + 496811.

It is an arithmetic number, because the mean of its divisors is an integer number (1833924825).

Almost surely, 2^14505221513 is an apocalyptic number.

It is an amenable number.

14505221513 is a deficient number, since it is larger than the sum of its proper divisors (166177087).

14505221513 is an equidigital number, since it uses as much as digits as its factorization.

14505221513 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35611.

The product of its (nonzero) digits is 6000, while the sum is 29.

The spelling of 14505221513 in words is "fourteen billion, five hundred five million, two hundred twenty-one thousand, five hundred thirteen".