14144540261 has 2 divisors, whose sum is σ = 14144540262. Its totient is φ = 14144540260.

The previous prime is 14144540251. The next prime is 14144540281. The reversal of 14144540261 is 16204544141.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13996309636 + 148230625 = 118306^2 + 12175^2 .

It is an emirp because it is prime and its reverse (16204544141) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 14144540261 - 2¹⁰ = 14144539237 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14144540251) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7072270130 + 7072270131.

It is an arithmetic number, because the mean of its divisors is an integer number (7072270131).

Almost surely, 2^14144540261 is an apocalyptic number.

It is an amenable number.

14144540261 is a deficient number, since it is larger than the sum of its proper divisors (1).

14144540261 is an equidigital number, since it uses as much as digits as its factorization.

14144540261 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15360, while the sum is 32.

The spelling of 14144540261 in words is "fourteen billion, one hundred forty-four million, five hundred forty thousand, two hundred sixty-one".