340143543673 has 2 divisors, whose sum is σ = 340143543674. Its totient is φ = 340143543672.

The previous prime is 340143543527. The next prime is 340143543709. The reversal of 340143543673 is 376345341043.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 211354431289 + 128789112384 = 459733^2 + 358872^2 .

It is a cyclic number.

It is not a de Polignac number, because 340143543673 - 2¹³ = 340143535481 is a prime.

It is not a weakly prime, because it can be changed into another prime (340143043673) 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, 170071771836 + 170071771837.

It is an arithmetic number, because the mean of its divisors is an integer number (170071771837).

Almost surely, 2^340143543673 is an apocalyptic number.

It is an amenable number.

340143543673 is a deficient number, since it is larger than the sum of its proper divisors (1).

340143543673 is an equidigital number, since it uses as much as digits as its factorization.

340143543673 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 1088640, while the sum is 43.

The spelling of 340143543673 in words is "three hundred forty billion, one hundred forty-three million, five hundred forty-three thousand, six hundred seventy-three".