3820446665273 has 16 divisors (see below), whose sum is σ = 4624061537280. Its totient is φ = 3085541045136.

The previous prime is 3820446665251. The next prime is 3820446665353. The reversal of 3820446665273 is 3725666440283.

It is a cyclic number.

It is not a de Polignac number, because 3820446665273 - 2³⁴ = 3803266796089 is a prime.

It is a super-2 number, since 2×3820446665273² (a number of 26 digits) contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3820446665573) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 177074903 + ... + 177096476.

It is an arithmetic number, because the mean of its divisors is an integer number (289003846080).

Almost surely, 2^{3820446665273} is an apocalyptic number.

It is an amenable number.

3820446665273 is a deficient number, since it is larger than the sum of its proper divisors (803614872007).

3820446665273 is a wasteful number, since it uses less digits than its factorization.

3820446665273 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 354171476.

The product of its (nonzero) digits is 34836480, while the sum is 56.

The spelling of 3820446665273 in words is "three trillion, eight hundred twenty billion, four hundred forty-six million, six hundred sixty-five thousand, two hundred seventy-three".