40343255234329 has 2 divisors, whose sum is σ = 40343255234330. Its totient is φ = 40343255234328.

The previous prime is 40343255234291. The next prime is 40343255234333. The reversal of 40343255234329 is 92343255234304.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 40336179059929 + 7076174400 = 6351077^2 + 84120^2 .

It is a cyclic number.

It is not a de Polignac number, because 40343255234329 - 2²³ = 40343246845721 is a prime.

It is not a weakly prime, because it can be changed into another prime (40343255234339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20171627617164 + 20171627617165.

It is an arithmetic number, because the mean of its divisors is an integer number (20171627617165).

Almost surely, 2^{40343255234329} is an apocalyptic number.

It is an amenable number.

40343255234329 is a deficient number, since it is larger than the sum of its proper divisors (1).

40343255234329 is an equidigital number, since it uses as much as digits as its factorization.

40343255234329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 9331200, while the sum is 49.

The spelling of 40343255234329 in words is "forty trillion, three hundred forty-three billion, two hundred fifty-five million, two hundred thirty-four thousand, three hundred twenty-nine".