1313425050564 has 216 divisors, whose sum is σ = 3596139439200. Its totient is φ = 371533155840.

The previous prime is 1313425050557. The next prime is 1313425050577. The reversal of 1313425050564 is 4650505243131.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 398126587 + ... + 398129885.

It is an arithmetic number, because the mean of its divisors is an integer number (16648793700).

Almost surely, 2^{1313425050564} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313425050564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1798069719600).

1313425050564 is an abundant number, since it is smaller than the sum of its proper divisors (2282714388636).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1313425050564 is a wasteful number, since it uses less digits than its factorization.

1313425050564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3599 (or 3459 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 39.

The spelling of 1313425050564 in words is "one trillion, three hundred thirteen billion, four hundred twenty-five million, fifty thousand, five hundred sixty-four".