14421034621 has 12 divisors (see below), whose sum is σ = 16941589020. Its totient is φ = 12238497600.

The previous prime is 14421034613. The next prime is 14421034643. The reversal of 14421034621 is 12643012441.

It can be written as a sum of positive squares in 2 ways, for example, as 12598940025 + 1822094596 = 112245^2 + 42686^2 .

It is not a de Polignac number, because 14421034621 - 2³ = 14421034613 is a prime.

It is a super-2 number, since 2×14421034621² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 14421034621.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14421034651) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1452016 + ... + 1461913.

It is an arithmetic number, because the mean of its divisors is an integer number (1411799085).

Almost surely, 2^14421034621 is an apocalyptic number.

It is an amenable number.

14421034621 is a deficient number, since it is larger than the sum of its proper divisors (2520554399).

14421034621 is a wasteful number, since it uses less digits than its factorization.

14421034621 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2914044 (or 2914037 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The spelling of 14421034621 in words is "fourteen billion, four hundred twenty-one million, thirty-four thousand, six hundred twenty-one".