1650207883321 has 2 divisors, whose sum is σ = 1650207883322. Its totient is φ = 1650207883320.

The previous prime is 1650207883199. The next prime is 1650207883349. The reversal of 1650207883321 is 1233887020561.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1633191985296 + 17015898025 = 1277964^2 + 130445^2 .

It is a cyclic number.

It is not a de Polignac number, because 1650207883321 - 2¹⁹ = 1650207359033 is a prime.

It is not a weakly prime, because it can be changed into another prime (1650207883351) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 825103941660 + 825103941661.

It is an arithmetic number, because the mean of its divisors is an integer number (825103941661).

Almost surely, 2^{1650207883321} is an apocalyptic number.

It is an amenable number.

1650207883321 is a deficient number, since it is larger than the sum of its proper divisors (1).

1650207883321 is an equidigital number, since it uses as much as digits as its factorization.

1650207883321 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 483840, while the sum is 46.

The spelling of 1650207883321 in words is "one trillion, six hundred fifty billion, two hundred seven million, eight hundred eighty-three thousand, three hundred twenty-one".