4312543251169 has 2 divisors, whose sum is σ = 4312543251170. Its totient is φ = 4312543251168.

The previous prime is 4312543251061. The next prime is 4312543251173. The reversal of 4312543251169 is 9611523452134.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 4192207110144 + 120336141025 = 2047488^2 + 346895^2 .

It is a cyclic number.

It is not a de Polignac number, because 4312543251169 - 2¹³ = 4312543242977 is a prime.

It is a super-2 number, since 2×4312543251169² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4312543251179) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2156271625584 + 2156271625585.

It is an arithmetic number, because the mean of its divisors is an integer number (2156271625585).

Almost surely, 2^{4312543251169} is an apocalyptic number.

It is an amenable number.

4312543251169 is a deficient number, since it is larger than the sum of its proper divisors (1).

4312543251169 is an equidigital number, since it uses as much as digits as its factorization.

4312543251169 is an evil number, because the sum of its binary digits is even.

The product of its digits is 777600, while the sum is 46.

The spelling of 4312543251169 in words is "four trillion, three hundred twelve billion, five hundred forty-three million, two hundred fifty-one thousand, one hundred sixty-nine".