14121281889 has 81 divisors (see below), whose sum is σ = 24365553849. Its totient is φ = 7871497920.

The previous prime is 14121281887. The next prime is 14121281957. The reversal of 14121281889 is 98818212141.

It is a happy number.

The square root of 14121281889 is 118833.

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

It can be written as a sum of positive squares in 4 ways, for example, as 6531387489 + 7589894400 = 80817^2 + 87120^2 .

It is not a de Polignac number, because 14121281889 - 2¹ = 14121281887 is a prime.

It is not an unprimeable number, because it can be changed into a prime (14121281887) by changing a digit.

It is a polite number, since it can be written in 80 ways as a sum of consecutive naturals, for example, 50979219 + ... + 50979495.

Almost surely, 2^14121281889 is an apocalyptic number.

14121281889 is the 118833-rd square number.

14121281889 is the 59417-th centered octagonal number.

It is an amenable number.

14121281889 is a deficient number, since it is larger than the sum of its proper divisors (10244271960).

14121281889 is a wasteful number, since it uses less digits than its factorization.

14121281889 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 608 (or 304 counting only the distinct ones).

The product of its digits is 73728, while the sum is 45.

The spelling of 14121281889 in words is "fourteen billion, one hundred twenty-one million, two hundred eighty-one thousand, eight hundred eighty-nine".