1828809363021 has 24 divisors (see below), whose sum is σ = 2492023951872. Its totient is φ = 1192939228800.

The previous prime is 1828809363013. The next prime is 1828809363037. The reversal of 1828809363021 is 1203639088281.

It is not a de Polignac number, because 1828809363021 - 2³ = 1828809363013 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1828809363221) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1703265 + ... + 2561001.

It is an arithmetic number, because the mean of its divisors is an integer number (103834331328).

Almost surely, 2^{1828809363021} is an apocalyptic number.

It is an amenable number.

1828809363021 is a deficient number, since it is larger than the sum of its proper divisors (663214588851).

1828809363021 is an equidigital number, since it uses as much as digits as its factorization.

1828809363021 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 858053 (or 857992 counting only the distinct ones).

The product of its (nonzero) digits is 995328, while the sum is 51.

The spelling of 1828809363021 in words is "one trillion, eight hundred twenty-eight billion, eight hundred nine million, three hundred sixty-three thousand, twenty-one".