1024246273681 has 2 divisors, whose sum is σ = 1024246273682. Its totient is φ = 1024246273680.

The previous prime is 1024246273679. The next prime is 1024246273741. The reversal of 1024246273681 is 1863726424201.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 792491648400 + 231754625281 = 890220^2 + 481409^2 .

It is an emirp because it is prime and its reverse (1863726424201) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1024246273681 - 2¹ = 1024246273679 is a prime.

It is a super-2 number, since 2×1024246273681² (a number of 25 digits) contains 22 as substring.

Together with 1024246273679, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (1024246273081) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 512123136840 + 512123136841.

It is an arithmetic number, because the mean of its divisors is an integer number (512123136841).

Almost surely, 2^{1024246273681} is an apocalyptic number.

It is an amenable number.

1024246273681 is a deficient number, since it is larger than the sum of its proper divisors (1).

1024246273681 is an equidigital number, since it uses as much as digits as its factorization.

1024246273681 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 774144, while the sum is 46.

The spelling of 1024246273681 in words is "one trillion, twenty-four billion, two hundred forty-six million, two hundred seventy-three thousand, six hundred eighty-one".