3549652028669 has 2 divisors, whose sum is σ = 3549652028670. Its totient is φ = 3549652028668.

The previous prime is 3549652028591. The next prime is 3549652028707. The reversal of 3549652028669 is 9668202569453.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2723803656025 + 825848372644 = 1650395^2 + 908762^2 .

It is a cyclic number.

It is not a de Polignac number, because 3549652028669 - 2¹⁶ = 3549651963133 is a prime.

It is a super-2 number, since 2×3549652028669² (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 (3549652018669) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1774826014334 + 1774826014335.

It is an arithmetic number, because the mean of its divisors is an integer number (1774826014335).

Almost surely, 2^{3549652028669} is an apocalyptic number.

It is an amenable number.

3549652028669 is a deficient number, since it is larger than the sum of its proper divisors (1).

3549652028669 is an equidigital number, since it uses as much as digits as its factorization.

3549652028669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 167961600, while the sum is 65.

The spelling of 3549652028669 in words is "three trillion, five hundred forty-nine billion, six hundred fifty-two million, twenty-eight thousand, six hundred sixty-nine".