1279263041413 has 16 divisors (see below), whose sum is σ = 1523281158144. Its totient is φ = 1051222636080.

The previous prime is 1279263041389. The next prime is 1279263041447. The reversal of 1279263041413 is 3141403629721.

It is a cyclic number.

It is not a de Polignac number, because 1279263041413 - 2⁹ = 1279263040901 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1279263041413.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1279263041113) 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, 27524545 + ... + 27570982.

It is an arithmetic number, because the mean of its divisors is an integer number (95205072384).

Almost surely, 2^{1279263041413} is an apocalyptic number.

It is an amenable number.

1279263041413 is a deficient number, since it is larger than the sum of its proper divisors (244018116731).

1279263041413 is a wasteful number, since it uses less digits than its factorization.

1279263041413 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55095672.

The product of its (nonzero) digits is 217728, while the sum is 43.

The spelling of 1279263041413 in words is "one trillion, two hundred seventy-nine billion, two hundred sixty-three million, forty-one thousand, four hundred thirteen".