2100530010473 has 2 divisors, whose sum is σ = 2100530010474. Its totient is φ = 2100530010472.

The previous prime is 2100530010427. The next prime is 2100530010487. The reversal of 2100530010473 is 3740100350012.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1736248958224 + 364281052249 = 1317668^2 + 603557^2 .

It is a cyclic number.

It is not a de Polignac number, because 2100530010473 - 2¹⁰ = 2100530009449 is a prime.

It is not a weakly prime, because it can be changed into another prime (2100530010373) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1050265005236 + 1050265005237.

It is an arithmetic number, because the mean of its divisors is an integer number (1050265005237).

Almost surely, 2^{2100530010473} is an apocalyptic number.

It is an amenable number.

2100530010473 is a deficient number, since it is larger than the sum of its proper divisors (1).

2100530010473 is an equidigital number, since it uses as much as digits as its factorization.

2100530010473 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2520, while the sum is 26.

Adding to 2100530010473 its reverse (3740100350012), we get a palindrome (5840630360485).

The spelling of 2100530010473 in words is "two trillion, one hundred billion, five hundred thirty million, ten thousand, four hundred seventy-three".