512210897993 has 2 divisors, whose sum is σ = 512210897994. Its totient is φ = 512210897992.

The previous prime is 512210897969. The next prime is 512210898041. The reversal of 512210897993 is 399798012215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 509156456704 + 3054441289 = 713552^2 + 55267^2 .

It is a cyclic number.

It is not a de Polignac number, because 512210897993 - 2³⁶ = 443491421257 is a prime.

It is not a weakly prime, because it can be changed into another prime (512210897903) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256105448996 + 256105448997.

It is an arithmetic number, because the mean of its divisors is an integer number (256105448997).

Almost surely, 2^512210897993 is an apocalyptic number.

It is an amenable number.

512210897993 is a deficient number, since it is larger than the sum of its proper divisors (1).

512210897993 is an equidigital number, since it uses as much as digits as its factorization.

512210897993 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 2449440, while the sum is 56.

The spelling of 512210897993 in words is "five hundred twelve billion, two hundred ten million, eight hundred ninety-seven thousand, nine hundred ninety-three".