512340142817 has 2 divisors, whose sum is σ = 512340142818. Its totient is φ = 512340142816.

The previous prime is 512340142813. The next prime is 512340142829. The reversal of 512340142817 is 718241043215.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 399606036736 + 112734106081 = 632144^2 + 335759^2 .

It is a cyclic number.

It is not a de Polignac number, because 512340142817 - 2² = 512340142813 is a prime.

It is not a weakly prime, because it can be changed into another prime (512340142813) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256170071408 + 256170071409.

It is an arithmetic number, because the mean of its divisors is an integer number (256170071409).

Almost surely, 2^512340142817 is an apocalyptic number.

It is an amenable number.

512340142817 is a deficient number, since it is larger than the sum of its proper divisors (1).

512340142817 is an equidigital number, since it uses as much as digits as its factorization.

512340142817 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 53760, while the sum is 38.

The spelling of 512340142817 in words is "five hundred twelve billion, three hundred forty million, one hundred forty-two thousand, eight hundred seventeen".