2141431289 has 2 divisors, whose sum is σ = 2141431290. Its totient is φ = 2141431288.

The previous prime is 2141431283. The next prime is 2141431301. The reversal of 2141431289 is 9821341412.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1480941289 + 660490000 = 38483^2 + 25700^2 .

It is a cyclic number.

It is not a de Polignac number, because 2141431289 - 2⁴ = 2141431273 is a prime.

It is not a weakly prime, because it can be changed into another prime (2141431283) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070715644 + 1070715645.

It is an arithmetic number, because the mean of its divisors is an integer number (1070715645).

Almost surely, 2^2141431289 is an apocalyptic number.

It is an amenable number.

2141431289 is a deficient number, since it is larger than the sum of its proper divisors (1).

2141431289 is an equidigital number, since it uses as much as digits as its factorization.

2141431289 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 13824, while the sum is 35.

The square root of 2141431289 is about 46275.6014439575. The cubic root of 2141431289 is about 1288.9459749458.

The spelling of 2141431289 in words is "two billion, one hundred forty-one million, four hundred thirty-one thousand, two hundred eighty-nine".