1813804419030 has 32 divisors (see below), whose sum is σ = 4609197113184. Its totient is φ = 455229344256.

The previous prime is 1813804419029. The next prime is 1813804419071. The reversal of 1813804419030 is 309144083181.

It is a happy number.

It is a super-2 number, since 2×1813804419030² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1778239117 + ... + 1778240136.

It is an arithmetic number, because the mean of its divisors is an integer number (144037409787).

Almost surely, 2^{1813804419030} is an apocalyptic number.

1813804419030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1813804419030 is an abundant number, since it is smaller than the sum of its proper divisors (2795392694154).

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

1813804419030 is a wasteful number, since it uses less digits than its factorization.

1813804419030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3556479280.

The product of its (nonzero) digits is 82944, while the sum is 42.

The spelling of 1813804419030 in words is "one trillion, eight hundred thirteen billion, eight hundred four million, four hundred nineteen thousand, thirty".