210998062528973 has 2 divisors, whose sum is σ = 210998062528974. Its totient is φ = 210998062528972.

The previous prime is 210998062528963. The next prime is 210998062528999. The reversal of 210998062528973 is 379825260899012.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 148730781243529 + 62267281285444 = 12195523^2 + 7890962^2 .

It is a cyclic number.

It is not a de Polignac number, because 210998062528973 - 2²² = 210998058334669 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 210998062528897 and 210998062528906.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (210998062528963) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 105499031264486 + 105499031264487.

It is an arithmetic number, because the mean of its divisors is an integer number (105499031264487).

Almost surely, 2^{210998062528973} is an apocalyptic number.

It is an amenable number.

210998062528973 is a deficient number, since it is larger than the sum of its proper divisors (1).

210998062528973 is an equidigital number, since it uses as much as digits as its factorization.

210998062528973 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 235146240, while the sum is 71.

The spelling of 210998062528973 in words is "two hundred ten trillion, nine hundred ninety-eight billion, sixty-two million, five hundred twenty-eight thousand, nine hundred seventy-three".