512342439901 has 2 divisors, whose sum is σ = 512342439902. Its totient is φ = 512342439900.

The previous prime is 512342439859. The next prime is 512342439991. The reversal of 512342439901 is 109934243215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 380656916676 + 131685523225 = 616974^2 + 362885^2 .

It is a cyclic number.

It is not a de Polignac number, because 512342439901 - 2²³ = 512334051293 is a prime.

It is a super-3 number, since 3×512342439901³ (a number of 36 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512342439991) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256171219950 + 256171219951.

It is an arithmetic number, because the mean of its divisors is an integer number (256171219951).

Almost surely, 2^512342439901 is an apocalyptic number.

It is an amenable number.

512342439901 is a deficient number, since it is larger than the sum of its proper divisors (1).

512342439901 is an equidigital number, since it uses as much as digits as its factorization.

512342439901 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 233280, while the sum is 43.

The spelling of 512342439901 in words is "five hundred twelve billion, three hundred forty-two million, four hundred thirty-nine thousand, nine hundred one".