512203141649 has 2 divisors, whose sum is σ = 512203141650. Its totient is φ = 512203141648.

The previous prime is 512203141627. The next prime is 512203141693. The reversal of 512203141649 is 946141302215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 508162251025 + 4040890624 = 712855^2 + 63568^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-512203141649 is a prime.

It is not a weakly prime, because it can be changed into another prime (512203141949) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256101570824 + 256101570825.

It is an arithmetic number, because the mean of its divisors is an integer number (256101570825).

Almost surely, 2^512203141649 is an apocalyptic number.

It is an amenable number.

512203141649 is a deficient number, since it is larger than the sum of its proper divisors (1).

512203141649 is an equidigital number, since it uses as much as digits as its factorization.

512203141649 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 38.

The spelling of 512203141649 in words is "five hundred twelve billion, two hundred three million, one hundred forty-one thousand, six hundred forty-nine".