2140447343 has 2 divisors, whose sum is σ = 2140447344. Its totient is φ = 2140447342.

The previous prime is 2140447307. The next prime is 2140447349. The reversal of 2140447343 is 3437440412.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2140447343 - 2¹² = 2140443247 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2140447349) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1070223671 + 1070223672.

It is an arithmetic number, because the mean of its divisors is an integer number (1070223672).

Almost surely, 2^2140447343 is an apocalyptic number.

2140447343 is a deficient number, since it is larger than the sum of its proper divisors (1).

2140447343 is an equidigital number, since it uses as much as digits as its factorization.

2140447343 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 32256, while the sum is 32.

The square root of 2140447343 is about 46264.9688533344. The cubic root of 2140447343 is about 1288.7485295054.

Adding to 2140447343 its reverse (3437440412), we get a palindrome (5577887755).

The spelling of 2140447343 in words is "two billion, one hundred forty million, four hundred forty-seven thousand, three hundred forty-three".