512101257674449 has 2 divisors, whose sum is σ = 512101257674450. Its totient is φ = 512101257674448.

The previous prime is 512101257674401. The next prime is 512101257674459. The reversal of 512101257674449 is 944476752101215.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 311268144840849 + 200833112833600 = 17642793^2 + 14171560^2 .

It is a cyclic number.

It is not a de Polignac number, because 512101257674449 - 2¹⁷ = 512101257543377 is a prime.

It is a super-2 number, since 2×512101257674449² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 512101257674393 and 512101257674402.

It is not a weakly prime, because it can be changed into another prime (512101257674459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 256050628837224 + 256050628837225.

It is an arithmetic number, because the mean of its divisors is an integer number (256050628837225).

Almost surely, 2^{512101257674449} is an apocalyptic number.

It is an amenable number.

512101257674449 is a deficient number, since it is larger than the sum of its proper divisors (1).

512101257674449 is an equidigital number, since it uses as much as digits as its factorization.

512101257674449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 16934400, while the sum is 58.

The spelling of 512101257674449 in words is "five hundred twelve trillion, one hundred one billion, two hundred fifty-seven million, six hundred seventy-four thousand, four hundred forty-nine".