1313050504389 has 16 divisors (see below), whose sum is σ = 1885436821632. Its totient is φ = 808017807168.

The previous prime is 1313050504357. The next prime is 1313050504433. The reversal of 1313050504389 is 9834050503131.

It is not a de Polignac number, because 1313050504389 - 2⁵ = 1313050504357 is a prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 1313050504389.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1313055504389) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2474784 + ... + 2958150.

It is an arithmetic number, because the mean of its divisors is an integer number (117839801352).

Almost surely, 2^{1313050504389} is an apocalyptic number.

It is an amenable number.

1313050504389 is a deficient number, since it is larger than the sum of its proper divisors (572386317243).

1313050504389 is a wasteful number, since it uses less digits than its factorization.

1313050504389 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 553036.

The product of its (nonzero) digits is 194400, while the sum is 42.

The spelling of 1313050504389 in words is "one trillion, three hundred thirteen billion, fifty million, five hundred four thousand, three hundred eighty-nine".