1273907389463 has 2 divisors, whose sum is σ = 1273907389464. Its totient is φ = 1273907389462.

The previous prime is 1273907389453. The next prime is 1273907389477. The reversal of 1273907389463 is 3649837093721.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1273907389463 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1273907389396 and 1273907389405.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1273907389453) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 636953694731 + 636953694732.

It is an arithmetic number, because the mean of its divisors is an integer number (636953694732).

Almost surely, 2^{1273907389463} is an apocalyptic number.

1273907389463 is a deficient number, since it is larger than the sum of its proper divisors (1).

1273907389463 is an equidigital number, since it uses as much as digits as its factorization.

1273907389463 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 41150592, while the sum is 62.

The spelling of 1273907389463 in words is "one trillion, two hundred seventy-three billion, nine hundred seven million, three hundred eighty-nine thousand, four hundred sixty-three".