1809870105282 has 32 divisors (see below), whose sum is σ = 3792274796544. Its totient is φ = 575115195600.

The previous prime is 1809870105229. The next prime is 1809870105299. The reversal of 1809870105282 is 2825010789081.

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, 72603094 + ... + 72628017.

It is an arithmetic number, because the mean of its divisors is an integer number (118508587392).

Almost surely, 2^{1809870105282} is an apocalyptic number.

1809870105282 is an abundant number, since it is smaller than the sum of its proper divisors (1982404691262).

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

1809870105282 is a wasteful number, since it uses less digits than its factorization.

1809870105282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145231214.

The product of its (nonzero) digits is 645120, while the sum is 51.

The spelling of 1809870105282 in words is "one trillion, eight hundred nine billion, eight hundred seventy million, one hundred five thousand, two hundred eighty-two".