1813426353750 has 160 divisors (see below), whose sum is σ = 5013769280256. Its totient is φ = 433426000000.

The previous prime is 1813426353737. The next prime is 1813426353787. The reversal of 1813426353750 is 573536243181.

It is a self number, because there is not a number n which added to its sum of digits gives 1813426353750.

It is a congruent number.

It is an unprimeable number.

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 79 ways as a sum of consecutive naturals, for example, 2619160 + ... + 3238340.

Almost surely, 2^{1813426353750} is an apocalyptic number.

1813426353750 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 1813426353750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2506884640128).

1813426353750 is an abundant number, since it is smaller than the sum of its proper divisors (3200342926506).

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

1813426353750 is a wasteful number, since it uses less digits than its factorization.

1813426353750 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 619288 (or 619273 counting only the distinct ones).

The product of its (nonzero) digits is 1814400, while the sum is 48.

The spelling of 1813426353750 in words is "one trillion, eight hundred thirteen billion, four hundred twenty-six million, three hundred fifty-three thousand, seven hundred fifty".