1827385465 has 16 divisors (see below), whose sum is σ = 2233791360. Its totient is φ = 1434706560.

The previous prime is 1827385451. The next prime is 1827385481. The reversal of 1827385465 is 5645837281.

It is a happy number.

It is not a de Polignac number, because 1827385465 - 2¹⁷ = 1827254393 is a prime.

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, 181237 + ... + 191053.

It is an arithmetic number, because the mean of its divisors is an integer number (139611960).

Almost surely, 2^1827385465 is an apocalyptic number.

It is an amenable number.

1827385465 is a deficient number, since it is larger than the sum of its proper divisors (406405895).

1827385465 is an equidigital number, since it uses as much as digits as its factorization.

1827385465 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10512.

The product of its digits is 1612800, while the sum is 49.

The square root of 1827385465 is about 42747.9293650581. The cubic root of 1827385465 is about 1222.5784098040.

The spelling of 1827385465 in words is "one billion, eight hundred twenty-seven million, three hundred eighty-five thousand, four hundred sixty-five".