2821481402 has 4 divisors (see below), whose sum is σ = 4232222106. Its totient is φ = 1410740700.

The previous prime is 2821481371. The next prime is 2821481419. The reversal of 2821481402 is 2041841282.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 2087667481 + 733813921 = 45691^2 + 27089^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705370349 + ... + 705370352.

Almost surely, 2^2821481402 is an apocalyptic number.

2821481402 is a deficient number, since it is larger than the sum of its proper divisors (1410740704).

2821481402 is a wasteful number, since it uses less digits than its factorization.

2821481402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1410740703.

The product of its (nonzero) digits is 8192, while the sum is 32.

The square root of 2821481402 is about 53117.6185648416. The cubic root of 2821481402 is about 1413.0549930372.

The spelling of 2821481402 in words is "two billion, eight hundred twenty-one million, four hundred eighty-one thousand, four hundred two".