1031268743647 has 2 divisors, whose sum is σ = 1031268743648. Its totient is φ = 1031268743646.

The previous prime is 1031268743633. The next prime is 1031268743653. The reversal of 1031268743647 is 7463478621301.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1031268743647 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1031268743594 and 1031268743603.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1031268743047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 515634371823 + 515634371824.

It is an arithmetic number, because the mean of its divisors is an integer number (515634371824).

Almost surely, 2^{1031268743647} is an apocalyptic number.

1031268743647 is a deficient number, since it is larger than the sum of its proper divisors (1).

1031268743647 is an equidigital number, since it uses as much as digits as its factorization.

1031268743647 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 4064256, while the sum is 52.

The spelling of 1031268743647 in words is "one trillion, thirty-one billion, two hundred sixty-eight million, seven hundred forty-three thousand, six hundred forty-seven".