32144144243381 has 2 divisors, whose sum is σ = 32144144243382. Its totient is φ = 32144144243380.

The previous prime is 32144144243311. The next prime is 32144144243443. The reversal of 32144144243381 is 18334244144123.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 29908921899025 + 2235222344356 = 5468905^2 + 1495066^2 .

It is an emirp because it is prime and its reverse (18334244144123) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 32144144243381 - 2²⁶ = 32144077134517 is a prime.

It is a super-2 number, since 2×32144144243381² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (32144144243311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 16072072121690 + 16072072121691.

It is an arithmetic number, because the mean of its divisors is an integer number (16072072121691).

Almost surely, 2^{32144144243381} is an apocalyptic number.

It is an amenable number.

32144144243381 is a deficient number, since it is larger than the sum of its proper divisors (1).

32144144243381 is an equidigital number, since it uses as much as digits as its factorization.

32144144243381 is an evil number, because the sum of its binary digits is even.

The product of its digits is 884736, while the sum is 44.

The spelling of 32144144243381 in words is "thirty-two trillion, one hundred forty-four billion, one hundred forty-four million, two hundred forty-three thousand, three hundred eighty-one".