4434687142169 has 2 divisors, whose sum is σ = 4434687142170. Its totient is φ = 4434687142168.

The previous prime is 4434687142147. The next prime is 4434687142247. The reversal of 4434687142169 is 9612417864344.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3843344598025 + 591342544144 = 1960445^2 + 768988^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4434687142169 is a prime.

It is a super-2 number, since 2×4434687142169² (a number of 26 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (4434687142069) 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, 2217343571084 + 2217343571085.

It is an arithmetic number, because the mean of its divisors is an integer number (2217343571085).

Almost surely, 2^{4434687142169} is an apocalyptic number.

It is an amenable number.

4434687142169 is a deficient number, since it is larger than the sum of its proper divisors (1).

4434687142169 is an equidigital number, since it uses as much as digits as its factorization.

4434687142169 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 27869184, while the sum is 59.

The spelling of 4434687142169 in words is "four trillion, four hundred thirty-four billion, six hundred eighty-seven million, one hundred forty-two thousand, one hundred sixty-nine".