2141209841 has 2 divisors, whose sum is σ = 2141209842. Its totient is φ = 2141209840.

The previous prime is 2141209831. The next prime is 2141209877. The reversal of 2141209841 is 1489021412.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2096266225 + 44943616 = 45785^2 + 6704^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2141209841 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2141209798 and 2141209807.

It is not a weakly prime, because it can be changed into another prime (2141209831) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070604920 + 1070604921.

It is an arithmetic number, because the mean of its divisors is an integer number (1070604921).

Almost surely, 2^2141209841 is an apocalyptic number.

It is an amenable number.

2141209841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141209841 is an equidigital number, since it uses as much as digits as its factorization.

2141209841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4608, while the sum is 32.

The square root of 2141209841 is about 46273.2086741345. The cubic root of 2141209841 is about 1288.9015429266.

The spelling of 2141209841 in words is "two billion, one hundred forty-one million, two hundred nine thousand, eight hundred forty-one".