224368063921 has 2 divisors, whose sum is σ = 224368063922. Its totient is φ = 224368063920.

The previous prime is 224368063877. The next prime is 224368063937. The reversal of 224368063921 is 129360863422.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 182205191025 + 42162872896 = 426855^2 + 205336^2 .

It is a cyclic number.

It is not a de Polignac number, because 224368063921 - 2¹³ = 224368055729 is a prime.

It is not a weakly prime, because it can be changed into another prime (224368063121) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 112184031960 + 112184031961.

It is an arithmetic number, because the mean of its divisors is an integer number (112184031961).

Almost surely, 2^224368063921 is an apocalyptic number.

It is an amenable number.

224368063921 is a deficient number, since it is larger than the sum of its proper divisors (1).

224368063921 is an equidigital number, since it uses as much as digits as its factorization.

224368063921 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 746496, while the sum is 46.

The spelling of 224368063921 in words is "two hundred twenty-four billion, three hundred sixty-eight million, sixty-three thousand, nine hundred twenty-one".