4221387641333 has 2 divisors, whose sum is σ = 4221387641334. Its totient is φ = 4221387641332.

The previous prime is 4221387641281. The next prime is 4221387641371. The reversal of 4221387641333 is 3331467831224.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2795577312004 + 1425810329329 = 1671998^2 + 1194073^2 .

It is a cyclic number.

It is not a de Polignac number, because 4221387641333 - 2⁸ = 4221387641077 is a prime.

It is a super-2 number, since 2×4221387641333² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4221387641533) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2110693820666 + 2110693820667.

It is an arithmetic number, because the mean of its divisors is an integer number (2110693820667).

Almost surely, 2^{4221387641333} is an apocalyptic number.

It is an amenable number.

4221387641333 is a deficient number, since it is larger than the sum of its proper divisors (1).

4221387641333 is an equidigital number, since it uses as much as digits as its factorization.

4221387641333 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1741824, while the sum is 47.

The spelling of 4221387641333 in words is "four trillion, two hundred twenty-one billion, three hundred eighty-seven million, six hundred forty-one thousand, three hundred thirty-three".