1342311557869 has 2 divisors, whose sum is σ = 1342311557870. Its totient is φ = 1342311557868.

The previous prime is 1342311557857. The next prime is 1342311557879. The reversal of 1342311557869 is 9687551132431.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1170157100644 + 172154457225 = 1081738^2 + 414915^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342311557869 - 2³³ = 1333721623277 is a prime.

It is a super-2 number, since 2×1342311557869² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1342311557809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671155778934 + 671155778935.

It is an arithmetic number, because the mean of its divisors is an integer number (671155778935).

Almost surely, 2^{1342311557869} is an apocalyptic number.

It is an amenable number.

1342311557869 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342311557869 is an equidigital number, since it uses as much as digits as its factorization.

1342311557869 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 5443200, while the sum is 55.

The spelling of 1342311557869 in words is "one trillion, three hundred forty-two billion, three hundred eleven million, five hundred fifty-seven thousand, eight hundred sixty-nine".