1342255635449 has 2 divisors, whose sum is σ = 1342255635450. Its totient is φ = 1342255635448.

The previous prime is 1342255635439. The next prime is 1342255635481. The reversal of 1342255635449 is 9445365522431.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1133628678400 + 208626957049 = 1064720^2 + 456757^2 .

It is a cyclic number.

It is not a de Polignac number, because 1342255635449 - 2¹⁶ = 1342255569913 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 1342255635449.

It is not a weakly prime, because it can be changed into another prime (1342255635419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 671127817724 + 671127817725.

It is an arithmetic number, because the mean of its divisors is an integer number (671127817725).

Almost surely, 2^{1342255635449} is an apocalyptic number.

It is an amenable number.

1342255635449 is a deficient number, since it is larger than the sum of its proper divisors (1).

1342255635449 is an equidigital number, since it uses as much as digits as its factorization.

1342255635449 is an evil number, because the sum of its binary digits is even.

The product of its digits is 15552000, while the sum is 53.

The spelling of 1342255635449 in words is "one trillion, three hundred forty-two billion, two hundred fifty-five million, six hundred thirty-five thousand, four hundred forty-nine".