100530550273 has 2 divisors, whose sum is σ = 100530550274. Its totient is φ = 100530550272.

The previous prime is 100530550259. The next prime is 100530550279. The reversal of 100530550273 is 372055035001.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 56343567424 + 44186982849 = 237368^2 + 210207^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-100530550273 is a prime.

It is not a weakly prime, because it can be changed into another prime (100530550279) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 50265275136 + 50265275137.

It is an arithmetic number, because the mean of its divisors is an integer number (50265275137).

Almost surely, 2^100530550273 is an apocalyptic number.

It is an amenable number.

100530550273 is a deficient number, since it is larger than the sum of its proper divisors (1).

100530550273 is an equidigital number, since it uses as much as digits as its factorization.

100530550273 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 15750, while the sum is 31.

Adding to 100530550273 its reverse (372055035001), we get a palindrome (472585585274).

The spelling of 100530550273 in words is "one hundred billion, five hundred thirty million, five hundred fifty thousand, two hundred seventy-three".