2131579841 has 2 divisors, whose sum is σ = 2131579842. Its totient is φ = 2131579840.

The previous prime is 2131579831. The next prime is 2131579921. The reversal of 2131579841 is 1489751312.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1529122816 + 602457025 = 39104^2 + 24545^2 .

It is a cyclic number.

It is not a de Polignac number, because 2131579841 - 2⁶ = 2131579777 is a prime.

It is not a weakly prime, because it can be changed into another prime (2131579831) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1065789920 + 1065789921.

It is an arithmetic number, because the mean of its divisors is an integer number (1065789921).

Almost surely, 2^2131579841 is an apocalyptic number.

It is an amenable number.

2131579841 is a deficient number, since it is larger than the sum of its proper divisors (1).

2131579841 is an equidigital number, since it uses as much as digits as its factorization.

2131579841 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 60480, while the sum is 41.

The square root of 2131579841 is about 46169.0355216567. The cubic root of 2131579841 is about 1286.9663789964.

The spelling of 2131579841 in words is "two billion, one hundred thirty-one million, five hundred seventy-nine thousand, eight hundred forty-one".