512353431647 has 2 divisors, whose sum is σ = 512353431648. Its totient is φ = 512353431646.

The previous prime is 512353431631. The next prime is 512353431673. The reversal of 512353431647 is 746134353215.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 512353431647 - 2⁴ = 512353431631 is a prime.

It is a super-2 number, since 2×512353431647² (a number of 24 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512353431598 and 512353431607.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512353421647) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256176715823 + 256176715824.

It is an arithmetic number, because the mean of its divisors is an integer number (256176715824).

Almost surely, 2^512353431647 is an apocalyptic number.

512353431647 is a deficient number, since it is larger than the sum of its proper divisors (1).

512353431647 is an equidigital number, since it uses as much as digits as its factorization.

512353431647 is an evil number, because the sum of its binary digits is even.

The product of its digits is 907200, while the sum is 44.

The spelling of 512353431647 in words is "five hundred twelve billion, three hundred fifty-three million, four hundred thirty-one thousand, six hundred forty-seven".