14142543402461 has 2 divisors, whose sum is σ = 14142543402462. Its totient is φ = 14142543402460.

The previous prime is 14142543402433. The next prime is 14142543402473. The reversal of 14142543402461 is 16420434524141.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 11257997826436 + 2884545576025 = 3355294^2 + 1698395^2 .

It is an emirp because it is prime and its reverse (16420434524141) is a distict prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-14142543402461 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (14142543402401) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7071271701230 + 7071271701231.

It is an arithmetic number, because the mean of its divisors is an integer number (7071271701231).

Almost surely, 2^{14142543402461} is an apocalyptic number.

It is an amenable number.

14142543402461 is a deficient number, since it is larger than the sum of its proper divisors (1).

14142543402461 is an equidigital number, since it uses as much as digits as its factorization.

14142543402461 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 368640, while the sum is 41.

The spelling of 14142543402461 in words is "fourteen trillion, one hundred forty-two billion, five hundred forty-three million, four hundred two thousand, four hundred sixty-one".