3073161852821 has 2 divisors, whose sum is σ = 3073161852822. Its totient is φ = 3073161852820.

The previous prime is 3073161852793. The next prime is 3073161852881. The reversal of 3073161852821 is 1282581613703.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2287084560721 + 786077292100 = 1512311^2 + 886610^2 .

It is a cyclic number.

It is not a de Polignac number, because 3073161852821 - 2¹⁸ = 3073161590677 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3073161852881) 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 as a sum of consecutive naturals, namely, 1536580926410 + 1536580926411.

It is an arithmetic number, because the mean of its divisors is an integer number (1536580926411).

Almost surely, 2^{3073161852821} is an apocalyptic number.

It is an amenable number.

3073161852821 is a deficient number, since it is larger than the sum of its proper divisors (1).

3073161852821 is an equidigital number, since it uses as much as digits as its factorization.

3073161852821 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 483840, while the sum is 47.

The spelling of 3073161852821 in words is "three trillion, seventy-three billion, one hundred sixty-one million, eight hundred fifty-two thousand, eight hundred twenty-one".