2821426306 has 4 divisors (see below), whose sum is σ = 4232139462. Its totient is φ = 1410713152.

The previous prime is 2821426297. The next prime is 2821426313. The reversal of 2821426306 is 6036241282.

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., 1526074225 + 1295352081 = 39065^2 + 35991^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 705356575 + ... + 705356578.

Almost surely, 2^2821426306 is an apocalyptic number.

2821426306 is a deficient number, since it is larger than the sum of its proper divisors (1410713156).

2821426306 is a wasteful number, since it uses less digits than its factorization.

2821426306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1410713155.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 2821426306 is about 53117.0999396616. The cubic root of 2821426306 is about 1413.0457952467.

Adding to 2821426306 its reverse (6036241282), we get a palindrome (8857667588).

The spelling of 2821426306 in words is "two billion, eight hundred twenty-one million, four hundred twenty-six thousand, three hundred six".