2821481427 has 16 divisors (see below), whose sum is σ = 3900420000. Its totient is φ = 1812056064.

The previous prime is 2821481423. The next prime is 2821481479. The reversal of 2821481427 is 7241841282.

It is not a de Polignac number, because 2821481427 - 2² = 2821481423 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2821481423) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2949 + ... + 75177.

It is an arithmetic number, because the mean of its divisors is an integer number (243776250).

Almost surely, 2^2821481427 is an apocalyptic number.

2821481427 is a deficient number, since it is larger than the sum of its proper divisors (1078938573).

2821481427 is a wasteful number, since it uses less digits than its factorization.

2821481427 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 72710.

The product of its digits is 57344, while the sum is 39.

The square root of 2821481427 is about 53117.6188001684. The cubic root of 2821481427 is about 1413.0549972107.

The spelling of 2821481427 in words is "two billion, eight hundred twenty-one million, four hundred eighty-one thousand, four hundred twenty-seven".