1813314420384 has 48 divisors (see below), whose sum is σ = 4966904722752. Its totient is φ = 578158220288.

The previous prime is 1813314420373. The next prime is 1813314420389. The reversal of 1813314420384 is 4830244133181.

It is a tau number, because it is divible by the number of its divisors (48).

It is not an unprimeable number, because it can be changed into a prime (1813314420389) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 410621529 + ... + 410625944.

It is an arithmetic number, because the mean of its divisors is an integer number (103477181724).

Almost surely, 2^{1813314420384} is an apocalyptic number.

It is an amenable number.

1813314420384 is an abundant number, since it is smaller than the sum of its proper divisors (3153590302368).

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

1813314420384 is a wasteful number, since it uses less digits than its factorization.

1813314420384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 821247509 (or 821247501 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 42.

The spelling of 1813314420384 in words is "one trillion, eight hundred thirteen billion, three hundred fourteen million, four hundred twenty thousand, three hundred eighty-four".