2141728140361 has 2 divisors, whose sum is σ = 2141728140362. Its totient is φ = 2141728140360.

The previous prime is 2141728140341. The next prime is 2141728140401. The reversal of 2141728140361 is 1630418271412.

It is an a-pointer prime, because the next prime (2141728140401) can be obtained adding 2141728140361 to its sum of digits (40).

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2102444900361 + 39283240000 = 1449981^2 + 198200^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141728140361 - 2⁵ = 2141728140329 is a prime.

It is not a weakly prime, because it can be changed into another prime (2141728140341) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070864070180 + 1070864070181.

It is an arithmetic number, because the mean of its divisors is an integer number (1070864070181).

Almost surely, 2^{2141728140361} is an apocalyptic number.

It is an amenable number.

2141728140361 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141728140361 is an equidigital number, since it uses as much as digits as its factorization.

2141728140361 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 64512, while the sum is 40.

The spelling of 2141728140361 in words is "two trillion, one hundred forty-one billion, seven hundred twenty-eight million, one hundred forty thousand, three hundred sixty-one".