210442232220049 has 2 divisors, whose sum is σ = 210442232220050. Its totient is φ = 210442232220048.

The previous prime is 210442232220013. The next prime is 210442232220053. The reversal of 210442232220049 is 940022232244012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 203273654363649 + 7168577856400 = 14257407^2 + 2677420^2 .

It is a cyclic number.

It is not a de Polignac number, because 210442232220049 - 2¹³ = 210442232211857 is a prime.

It is not a weakly prime, because it can be changed into another prime (210442232220149) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105221116110024 + 105221116110025.

It is an arithmetic number, because the mean of its divisors is an integer number (105221116110025).

Almost surely, 2^{210442232220049} is an apocalyptic number.

It is an amenable number.

210442232220049 is a deficient number, since it is larger than the sum of its proper divisors (1).

210442232220049 is an equidigital number, since it uses as much as digits as its factorization.

210442232220049 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 110592, while the sum is 37.

The spelling of 210442232220049 in words is "two hundred ten trillion, four hundred forty-two billion, two hundred thirty-two million, two hundred twenty thousand, forty-nine".