14481956281 has 9 divisors (see below), whose sum is σ = 15683339181. Its totient is φ = 13366515552.

The previous prime is 14481956261. The next prime is 14481956309. The reversal of 14481956281 is 18265918441.

The square root of 14481956281 is 120341.

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 9243091881 + 5238864400 = 96141^2 + 72380^2 .

It is not a de Polignac number, because 14481956281 - 2¹¹ = 14481954233 is a prime.

It is a super-2 number, since 2×14481956281² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (14481956261) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1559805 + ... + 1569061.

Almost surely, 2^14481956281 is an apocalyptic number.

14481956281 is the 120341-st square number.

14481956281 is the 60171-st centered octagonal number.

It is an amenable number.

14481956281 is a deficient number, since it is larger than the sum of its proper divisors (1201382900).

14481956281 is an frugal number, since it uses more digits than its factorization.

14481956281 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18540 (or 9270 counting only the distinct ones).

The product of its digits is 552960, while the sum is 49.

Multiplying 14481956281 by its sum of digits (49), we get a square (709615857769 = 842387²).

The spelling of 14481956281 in words is "fourteen billion, four hundred eighty-one million, nine hundred fifty-six thousand, two hundred eighty-one".