223489308613 has 2 divisors, whose sum is σ = 223489308614. Its totient is φ = 223489308612.

The previous prime is 223489308599. The next prime is 223489308643. The reversal of 223489308613 is 316803984322.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 119561733729 + 103927574884 = 345777^2 + 322378^2 .

It is a cyclic number.

It is not a de Polignac number, because 223489308613 - 2³³ = 214899374021 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (223489308643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 111744654306 + 111744654307.

It is an arithmetic number, because the mean of its divisors is an integer number (111744654307).

Almost surely, 2^223489308613 is an apocalyptic number.

It is an amenable number.

223489308613 is a deficient number, since it is larger than the sum of its proper divisors (1).

223489308613 is an equidigital number, since it uses as much as digits as its factorization.

223489308613 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 1492992, while the sum is 49.

The spelling of 223489308613 in words is "two hundred twenty-three billion, four hundred eighty-nine million, three hundred eight thousand, six hundred thirteen".