1341555049969 has 2 divisors, whose sum is σ = 1341555049970. Its totient is φ = 1341555049968.

The previous prime is 1341555049921. The next prime is 1341555050021. The reversal of 1341555049969 is 9699405551431.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1230723984400 + 110831065569 = 1109380^2 + 332913^2 .

It is a cyclic number.

It is not a de Polignac number, because 1341555049969 - 2⁷ = 1341555049841 is a prime.

It is a super-2 number, since 2×1341555049969² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1341555044969) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 670777524984 + 670777524985.

It is an arithmetic number, because the mean of its divisors is an integer number (670777524985).

Almost surely, 2^{1341555049969} is an apocalyptic number.

It is an amenable number.

1341555049969 is a deficient number, since it is larger than the sum of its proper divisors (1).

1341555049969 is an equidigital number, since it uses as much as digits as its factorization.

1341555049969 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 26244000, while the sum is 61.

The spelling of 1341555049969 in words is "one trillion, three hundred forty-one billion, five hundred fifty-five million, forty-nine thousand, nine hundred sixty-nine".