221533612413383 has 2 divisors, whose sum is σ = 221533612413384. Its totient is φ = 221533612413382.

The previous prime is 221533612413343. The next prime is 221533612413437. The reversal of 221533612413383 is 383314216335122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221533612413383 - 2¹⁶ = 221533612347847 is a prime.

It is a super-3 number, since 3×221533612413383³ (a number of 44 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221533612413343) 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, 110766806206691 + 110766806206692.

It is an arithmetic number, because the mean of its divisors is an integer number (110766806206692).

Almost surely, 2^{221533612413383} is an apocalyptic number.

221533612413383 is a deficient number, since it is larger than the sum of its proper divisors (1).

221533612413383 is an equidigital number, since it uses as much as digits as its factorization.

221533612413383 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1866240, while the sum is 47.

The spelling of 221533612413383 in words is "two hundred twenty-one trillion, five hundred thirty-three billion, six hundred twelve million, four hundred thirteen thousand, three hundred eighty-three".