2141387161 has 2 divisors, whose sum is σ = 2141387162. Its totient is φ = 2141387160.

The previous prime is 2141387047. The next prime is 2141387179. The reversal of 2141387161 is 1617831412.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2101305600 + 40081561 = 45840^2 + 6331^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141387161 - 2¹⁵ = 2141354393 is a prime.

It is not a weakly prime, because it can be changed into another prime (2141387861) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070693580 + 1070693581.

It is an arithmetic number, because the mean of its divisors is an integer number (1070693581).

Almost surely, 2^2141387161 is an apocalyptic number.

It is an amenable number.

2141387161 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141387161 is an equidigital number, since it uses as much as digits as its factorization.

2141387161 is an evil number, because the sum of its binary digits is even.

The product of its digits is 8064, while the sum is 34.

The square root of 2141387161 is about 46275.1246459694. The cubic root of 2141387161 is about 1288.9371212103.

The spelling of 2141387161 in words is "two billion, one hundred forty-one million, three hundred eighty-seven thousand, one hundred sixty-one".