221342041463 has 2 divisors, whose sum is σ = 221342041464. Its totient is φ = 221342041462.

The previous prime is 221342041441. The next prime is 221342041511. The reversal of 221342041463 is 364140243122.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 221342041463 - 2²⁸ = 221073606007 is a prime.

It is a super-2 number, since 2×221342041463² (a number of 23 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (221342041433) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 110671020731 + 110671020732.

It is an arithmetic number, because the mean of its divisors is an integer number (110671020732).

Almost surely, 2^221342041463 is an apocalyptic number.

221342041463 is a deficient number, since it is larger than the sum of its proper divisors (1).

221342041463 is an equidigital number, since it uses as much as digits as its factorization.

221342041463 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 27648, while the sum is 32.

Adding to 221342041463 its reverse (364140243122), we get a palindrome (585482284585).

The spelling of 221342041463 in words is "two hundred twenty-one billion, three hundred forty-two million, forty-one thousand, four hundred sixty-three".