1821033028030 has 8 divisors (see below), whose sum is σ = 3277859450472. Its totient is φ = 728413211208.

The previous prime is 1821033028027. The next prime is 1821033028037. The reversal of 1821033028030 is 308203301281.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×1821033028030² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 1821033027983 and 1821033028001.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1821033028037) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91051651392 + ... + 91051651411.

It is an arithmetic number, because the mean of its divisors is an integer number (409732431309).

Almost surely, 2^{1821033028030} is an apocalyptic number.

1821033028030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1821033028030 is a deficient number, since it is larger than the sum of its proper divisors (1456826422442).

1821033028030 is a wasteful number, since it uses less digits than its factorization.

1821033028030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 182103302810.

The product of its (nonzero) digits is 6912, while the sum is 31.

The spelling of 1821033028030 in words is "one trillion, eight hundred twenty-one billion, thirty-three million, twenty-eight thousand, thirty".