14421826521664 has 63 divisors (see below), whose sum is σ = 29640990057627. Its totient is φ = 6961835747328.

The previous prime is 14421826521593. The next prime is 14421826521677. The reversal of 14421826521664 is 46612562812441.

The square root of 14421826521664 is 3797608.

It is a perfect power (a square), and thus also a powerful number.

14421826521664 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 395902707264 + 14025923814400 = 629208^2 + 3745120^2 .

It is a super-2 number, since 2×14421826521664² (a number of 27 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 881036872 + ... + 881053240.

Almost surely, 2^{14421826521664} is an apocalyptic number.

14421826521664 is the 3797608-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14421826521664

14421826521664 is an abundant number, since it is smaller than the sum of its proper divisors (15219163535963).

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

14421826521664 is an frugal number, since it uses more digits than its factorization.

14421826521664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32808 (or 16400 counting only the distinct ones).

The product of its digits is 4423680, while the sum is 52.

The spelling of 14421826521664 in words is "fourteen trillion, four hundred twenty-one billion, eight hundred twenty-six million, five hundred twenty-one thousand, six hundred sixty-four".