1293827459855 has 16 divisors (see below), whose sum is σ = 1835577875520. Its totient is φ = 856603007232.

The previous prime is 1293827459851. The next prime is 1293827459887. The reversal of 1293827459855 is 5589547283921.

It is not a de Polignac number, because 1293827459855 - 2² = 1293827459851 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1293827459851) 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 in 15 ways as a sum of consecutive naturals, for example, 637352414 + ... + 637354443.

It is an arithmetic number, because the mean of its divisors is an integer number (114723617220).

Almost surely, 2^{1293827459855} is an apocalyptic number.

1293827459855 is a deficient number, since it is larger than the sum of its proper divisors (541750415665).

1293827459855 is a wasteful number, since it uses less digits than its factorization.

1293827459855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274706898.

The product of its digits is 217728000, while the sum is 68.

The spelling of 1293827459855 in words is "one trillion, two hundred ninety-three billion, eight hundred twenty-seven million, four hundred fifty-nine thousand, eight hundred fifty-five".