1040553552169 has 2 divisors, whose sum is σ = 1040553552170. Its totient is φ = 1040553552168.

The previous prime is 1040553552107. The next prime is 1040553552257. The reversal of 1040553552169 is 9612553550401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792390166569 + 248163385600 = 890163^2 + 498160^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1040553552169 is a prime.

It is a super-2 number, since 2×1040553552169² (a number of 25 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (1040553556169) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 520276776084 + 520276776085.

It is an arithmetic number, because the mean of its divisors is an integer number (520276776085).

Almost surely, 2^{1040553552169} is an apocalyptic number.

It is an amenable number.

1040553552169 is a deficient number, since it is larger than the sum of its proper divisors (1).

1040553552169 is an equidigital number, since it uses as much as digits as its factorization.

1040553552169 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 810000, while the sum is 46.

The spelling of 1040553552169 in words is "one trillion, forty billion, five hundred fifty-three million, five hundred fifty-two thousand, one hundred sixty-nine".