1341021856579 has 2 divisors, whose sum is σ = 1341021856580. Its totient is φ = 1341021856578.

The previous prime is 1341021856571. The next prime is 1341021856613. The reversal of 1341021856579 is 9756581201431.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1341021856579 - 2³ = 1341021856571 is a prime.

It is not a weakly prime, because it can be changed into another prime (1341021856571) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670510928289 + 670510928290.

It is an arithmetic number, because the mean of its divisors is an integer number (670510928290).

It is a 1-persistent number, because it is pandigital, but 2⋅1341021856579 = 2682043713158 is not.

Almost surely, 2^{1341021856579} is an apocalyptic number.

1341021856579 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341021856579 is an equidigital number, since it uses as much as digits as its factorization.

1341021856579 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1814400, while the sum is 52.

The spelling of 1341021856579 in words is "one trillion, three hundred forty-one billion, twenty-one million, eight hundred fifty-six thousand, five hundred seventy-nine".