219950207373313 has 2 divisors, whose sum is σ = 219950207373314. Its totient is φ = 219950207373312.

The previous prime is 219950207373287. The next prime is 219950207373317. The reversal of 219950207373313 is 313373702059912.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 153877500039169 + 66072707334144 = 12404737^2 + 8128512^2 .

It is a cyclic number.

It is not a de Polignac number, because 219950207373313 - 2⁹ = 219950207372801 is a prime.

It is not a weakly prime, because it can be changed into another prime (219950207373317) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 109975103686656 + 109975103686657.

It is an arithmetic number, because the mean of its divisors is an integer number (109975103686657).

Almost surely, 2^{219950207373313} is an apocalyptic number.

It is an amenable number.

219950207373313 is a deficient number, since it is larger than the sum of its proper divisors (1).

219950207373313 is an equidigital number, since it uses as much as digits as its factorization.

219950207373313 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6429780, while the sum is 55.

The spelling of 219950207373313 in words is "two hundred nineteen trillion, nine hundred fifty billion, two hundred seven million, three hundred seventy-three thousand, three hundred thirteen".