1260464457719 has 2 divisors, whose sum is σ = 1260464457720. Its totient is φ = 1260464457718.

The previous prime is 1260464457709. The next prime is 1260464457773. The reversal of 1260464457719 is 9177544640621.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 1260464457719 - 2⁴⁰ = 160952829943 is a prime.

It is a super-2 number, since 2×1260464457719² (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 (1260464457709) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 630232228859 + 630232228860.

It is an arithmetic number, because the mean of its divisors is an integer number (630232228860).

Almost surely, 2^{1260464457719} is an apocalyptic number.

1260464457719 is a deficient number, since it is larger than the sum of its proper divisors (1).

1260464457719 is an equidigital number, since it uses as much as digits as its factorization.

1260464457719 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 10160640, while the sum is 56.

The spelling of 1260464457719 in words is "one trillion, two hundred sixty billion, four hundred sixty-four million, four hundred fifty-seven thousand, seven hundred nineteen".