206012500973 has 2 divisors, whose sum is σ = 206012500974. Its totient is φ = 206012500972.

The previous prime is 206012500963. The next prime is 206012500997. The reversal of 206012500973 is 379005210602.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 204468561124 + 1543939849 = 452182^2 + 39293^2 .

It is a cyclic number.

It is not a de Polignac number, because 206012500973 - 2⁶ = 206012500909 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (206012500913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 103006250486 + 103006250487.

It is an arithmetic number, because the mean of its divisors is an integer number (103006250487).

Almost surely, 2^206012500973 is an apocalyptic number.

It is an amenable number.

206012500973 is a deficient number, since it is larger than the sum of its proper divisors (1).

206012500973 is an equidigital number, since it uses as much as digits as its factorization.

206012500973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 22680, while the sum is 35.

The spelling of 206012500973 in words is "two hundred six billion, twelve million, five hundred thousand, nine hundred seventy-three".