1339020684571 has 2 divisors, whose sum is σ = 1339020684572. Its totient is φ = 1339020684570.

The previous prime is 1339020684487. The next prime is 1339020684577. The reversal of 1339020684571 is 1754860209331.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 1339020684571 - 2¹⁵ = 1339020651803 is a prime.

It is not a weakly prime, because it can be changed into another prime (1339020684577) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 669510342285 + 669510342286.

It is an arithmetic number, because the mean of its divisors is an integer number (669510342286).

It is a 1-persistent number, because it is pandigital, but 2⋅1339020684571 = 2678041369142 is not.

Almost surely, 2^{1339020684571} is an apocalyptic number.

1339020684571 is a deficient number, since it is larger than the sum of its proper divisors (1).

1339020684571 is an equidigital number, since it uses as much as digits as its factorization.

1339020684571 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 49.

The spelling of 1339020684571 in words is "one trillion, three hundred thirty-nine billion, twenty million, six hundred eighty-four thousand, five hundred seventy-one".