2207617006321 has 2 divisors, whose sum is σ = 2207617006322. Its totient is φ = 2207617006320.

The previous prime is 2207617006303. The next prime is 2207617006349. The reversal of 2207617006321 is 1236007167022.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1314780996321 + 892836010000 = 1146639^2 + 944900^2 .

It is a cyclic number.

It is not a de Polignac number, because 2207617006321 - 2²¹ = 2207614909169 is a prime.

It is not a weakly prime, because it can be changed into another prime (2207617004321) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1103808503160 + 1103808503161.

It is an arithmetic number, because the mean of its divisors is an integer number (1103808503161).

Almost surely, 2^{2207617006321} is an apocalyptic number.

It is an amenable number.

2207617006321 is a deficient number, since it is larger than the sum of its proper divisors (1).

2207617006321 is an equidigital number, since it uses as much as digits as its factorization.

2207617006321 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 42336, while the sum is 37.

The spelling of 2207617006321 in words is "two trillion, two hundred seven billion, six hundred seventeen million, six thousand, three hundred twenty-one".