20140343329 has 2 divisors, whose sum is σ = 20140343330. Its totient is φ = 20140343328.

The previous prime is 20140343303. The next prime is 20140343339. The reversal of 20140343329 is 92334304102.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18347244304 + 1793099025 = 135452^2 + 42345^2 .

It is a cyclic number.

It is not a de Polignac number, because 20140343329 - 2²³ = 20131954721 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 20140343329.

It is not a weakly prime, because it can be changed into another prime (20140343339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10070171664 + 10070171665.

It is an arithmetic number, because the mean of its divisors is an integer number (10070171665).

Almost surely, 2^20140343329 is an apocalyptic number.

It is an amenable number.

20140343329 is a deficient number, since it is larger than the sum of its proper divisors (1).

20140343329 is an equidigital number, since it uses as much as digits as its factorization.

20140343329 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15552, while the sum is 31.

The spelling of 20140343329 in words is "twenty billion, one hundred forty million, three hundred forty-three thousand, three hundred twenty-nine".