14621331845 has 4 divisors (see below), whose sum is σ = 17545598220. Its totient is φ = 11697065472.

The previous prime is 14621331799. The next prime is 14621331871. The reversal of 14621331845 is 54813312641.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 54813312641 = 29 ⋅1890114229.

It can be written as a sum of positive squares in 2 ways, for example, as 5400339169 + 9220992676 = 73487^2 + 96026^2 .

It is a cyclic number.

It is not a de Polignac number, because 14621331845 - 2²² = 14617137541 is a prime.

It is a super-2 number, since 2×14621331845² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14621331799 and 14621331808.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1462133180 + ... + 1462133189.

It is an arithmetic number, because the mean of its divisors is an integer number (4386399555).

Almost surely, 2^14621331845 is an apocalyptic number.

It is an amenable number.

14621331845 is a deficient number, since it is larger than the sum of its proper divisors (2924266375).

14621331845 is an equidigital number, since it uses as much as digits as its factorization.

14621331845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2924266374.

The product of its digits is 69120, while the sum is 38.

The spelling of 14621331845 in words is "fourteen billion, six hundred twenty-one million, three hundred thirty-one thousand, eight hundred forty-five".