3455738375549 has 2 divisors, whose sum is σ = 3455738375550. Its totient is φ = 3455738375548.

The previous prime is 3455738375543. The next prime is 3455738375581. The reversal of 3455738375549 is 9455738375543.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1803246122500 + 1652492253049 = 1342850^2 + 1285493^2 .

It is a cyclic number.

It is not a de Polignac number, because 3455738375549 - 2²⁰ = 3455737326973 is a prime.

It is a super-2 number, since 2×3455738375549² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3455738375543) 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, 1727869187774 + 1727869187775.

It is an arithmetic number, because the mean of its divisors is an integer number (1727869187775).

Almost surely, 2^{3455738375549} is an apocalyptic number.

It is an amenable number.

3455738375549 is a deficient number, since it is larger than the sum of its proper divisors (1).

3455738375549 is an equidigital number, since it uses as much as digits as its factorization.

3455738375549 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 952560000, while the sum is 68.

The spelling of 3455738375549 in words is "three trillion, four hundred fifty-five billion, seven hundred thirty-eight million, three hundred seventy-five thousand, five hundred forty-nine".