3872014674221 has 2 divisors, whose sum is σ = 3872014674222. Its totient is φ = 3872014674220.

The previous prime is 3872014674191. The next prime is 3872014674271. The reversal of 3872014674221 is 1224764102783.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3871567816900 + 446857321 = 1967630^2 + 21139^2 .

It is a cyclic number.

It is not a de Polignac number, because 3872014674221 - 2¹⁴ = 3872014657837 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (3872014674271) 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, 1936007337110 + 1936007337111.

It is an arithmetic number, because the mean of its divisors is an integer number (1936007337111).

Almost surely, 2^{3872014674221} is an apocalyptic number.

It is an amenable number.

3872014674221 is a deficient number, since it is larger than the sum of its proper divisors (1).

3872014674221 is an equidigital number, since it uses as much as digits as its factorization.

3872014674221 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 903168, while the sum is 47.

The spelling of 3872014674221 in words is "three trillion, eight hundred seventy-two billion, fourteen million, six hundred seventy-four thousand, two hundred twenty-one".