223105445254639 has 2 divisors, whose sum is σ = 223105445254640. Its totient is φ = 223105445254638.

The previous prime is 223105445254609. The next prime is 223105445254733. The reversal of 223105445254639 is 936452544501322.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-223105445254639 is a prime.

It is a super-3 number, since 3×223105445254639³ (a number of 44 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 223105445254639.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223105445254609) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111552722627319 + 111552722627320.

It is an arithmetic number, because the mean of its divisors is an integer number (111552722627320).

Almost surely, 2^{223105445254639} is an apocalyptic number.

223105445254639 is a deficient number, since it is larger than the sum of its proper divisors (1).

223105445254639 is an equidigital number, since it uses as much as digits as its factorization.

223105445254639 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 31104000, while the sum is 55.

The spelling of 223105445254639 in words is "two hundred twenty-three trillion, one hundred five billion, four hundred forty-five million, two hundred fifty-four thousand, six hundred thirty-nine".