1281952072759 has 2 divisors, whose sum is σ = 1281952072760. Its totient is φ = 1281952072758.

The previous prime is 1281952072703. The next prime is 1281952072831. The reversal of 1281952072759 is 9572702591821.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1281952072759 - 2⁷ = 1281952072631 is a prime.

It is a super-2 number, since 2×1281952072759² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1281952372759) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 640976036379 + 640976036380.

It is an arithmetic number, because the mean of its divisors is an integer number (640976036380).

Almost surely, 2^{1281952072759} is an apocalyptic number.

1281952072759 is a deficient number, since it is larger than the sum of its proper divisors (1).

1281952072759 is an equidigital number, since it uses as much as digits as its factorization.

1281952072759 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6350400, while the sum is 58.

The spelling of 1281952072759 in words is "one trillion, two hundred eighty-one billion, nine hundred fifty-two million, seventy-two thousand, seven hundred fifty-nine".