3421670816045 has 12 divisors (see below), whose sum is σ = 4361742315444. Its totient is φ = 2576316848640.

The previous prime is 3421670816029. The next prime is 3421670816059. The reversal of 3421670816045 is 5406180761243.

It can be written as a sum of positive squares in 6 ways, for example, as 625866107689 + 2795804708356 = 791117^2 + 1672066^2 .

It is not a de Polignac number, because 3421670816045 - 2⁴ = 3421670816029 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1183967696 + ... + 1183970585.

It is an arithmetic number, because the mean of its divisors is an integer number (363478526287).

Almost surely, 2^{3421670816045} is an apocalyptic number.

It is an amenable number.

3421670816045 is a deficient number, since it is larger than the sum of its proper divisors (940071499399).

3421670816045 is a wasteful number, since it uses less digits than its factorization.

3421670816045 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2367938320 (or 2367938303 counting only the distinct ones).

The product of its (nonzero) digits is 967680, while the sum is 47.

The spelling of 3421670816045 in words is "three trillion, four hundred twenty-one billion, six hundred seventy million, eight hundred sixteen thousand, forty-five".