2140241447 has 2 divisors, whose sum is σ = 2140241448. Its totient is φ = 2140241446.

The previous prime is 2140241437. The next prime is 2140241483. The reversal of 2140241447 is 7441420412.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2140241447 - 2²² = 2136047143 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140241437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070120723 + 1070120724.

It is an arithmetic number, because the mean of its divisors is an integer number (1070120724).

Almost surely, 2^2140241447 is an apocalyptic number.

2140241447 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140241447 is an equidigital number, since it uses as much as digits as its factorization.

2140241447 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 7168, while the sum is 29.

The square root of 2140241447 is about 46262.7436172997. The cubic root of 2140241447 is about 1288.7072053282.

Adding to 2140241447 its reverse (7441420412), we get a palindrome (9581661859).

The spelling of 2140241447 in words is "two billion, one hundred forty million, two hundred forty-one thousand, four hundred forty-seven".