3512434406165 has 4 divisors (see below), whose sum is σ = 4214921287404. Its totient is φ = 2809947524928.

The previous prime is 3512434406161. The next prime is 3512434406167. The reversal of 3512434406165 is 5616044342153.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 786048920836 + 2726385485329 = 886594^2 + 1651177^2 .

It is a cyclic number.

It is not a de Polignac number, because 3512434406165 - 2² = 3512434406161 is a prime.

It is a super-2 number, since 2×3512434406165² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3512434406161) 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 in 3 ways as a sum of consecutive naturals, for example, 351243440612 + ... + 351243440621.

It is an arithmetic number, because the mean of its divisors is an integer number (1053730321851).

Almost surely, 2^{3512434406165} is an apocalyptic number.

It is an amenable number.

3512434406165 is a deficient number, since it is larger than the sum of its proper divisors (702486881239).

3512434406165 is an equidigital number, since it uses as much as digits as its factorization.

3512434406165 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702486881238.

The product of its (nonzero) digits is 1036800, while the sum is 44.

The spelling of 3512434406165 in words is "three trillion, five hundred twelve billion, four hundred thirty-four million, four hundred six thousand, one hundred sixty-five".