512797462493 has 2 divisors, whose sum is σ = 512797462494. Its totient is φ = 512797462492.

The previous prime is 512797462487. The next prime is 512797462501. The reversal of 512797462493 is 394264797215.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 342363073924 + 170434388569 = 585118^2 + 412837^2 .

It is a cyclic number.

It is not a de Polignac number, because 512797462493 - 2¹⁶ = 512797396957 is a prime.

It is a super-2 number, since 2×512797462493² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (512797482493) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256398731246 + 256398731247.

It is an arithmetic number, because the mean of its divisors is an integer number (256398731247).

Almost surely, 2^512797462493 is an apocalyptic number.

It is an amenable number.

512797462493 is a deficient number, since it is larger than the sum of its proper divisors (1).

512797462493 is an equidigital number, since it uses as much as digits as its factorization.

512797462493 is an evil number, because the sum of its binary digits is even.

The product of its digits is 22861440, while the sum is 59.

The spelling of 512797462493 in words is "five hundred twelve billion, seven hundred ninety-seven million, four hundred sixty-two thousand, four hundred ninety-three".