1313425123650 has 96 divisors (see below), whose sum is σ = 3621753907200. Its totient is φ = 350001086400.

The previous prime is 1313425123643. The next prime is 1313425123663. The reversal of 1313425123650 is 563215243131.

1313425123650 is a `hidden beast` number, since 1 + 3 + 134 + 2 + 512 + 3 + 6 + 5 + 0 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1588735 + ... + 2269565.

It is an arithmetic number, because the mean of its divisors is an integer number (37726603200).

Almost surely, 2^{1313425123650} is an apocalyptic number.

1313425123650 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 1313425123650, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1810876953600).

1313425123650 is an abundant number, since it is smaller than the sum of its proper divisors (2308328783550).

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

1313425123650 is a wasteful number, since it uses less digits than its factorization.

1313425123650 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 682281 (or 682270 counting only the distinct ones).

The product of its (nonzero) digits is 64800, while the sum is 36.

The spelling of 1313425123650 in words is "one trillion, three hundred thirteen billion, four hundred twenty-five million, one hundred twenty-three thousand, six hundred fifty".