2721362426 has 8 divisors (see below), whose sum is σ = 4093608564. Its totient is φ = 1356826240.

The previous prime is 2721362393. The next prime is 2721362447. The reversal of 2721362426 is 6242631272.

2721362426 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2662456801 + 58905625 = 51599^2 + 7675^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1926605 + ... + 1928016.

Almost surely, 2^2721362426 is an apocalyptic number.

2721362426 is a deficient number, since it is larger than the sum of its proper divisors (1372246138).

2721362426 is a wasteful number, since it uses less digits than its factorization.

2721362426 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3854976.

The product of its digits is 48384, while the sum is 35.

The square root of 2721362426 is about 52166.6792694340. The cubic root of 2721362426 is about 1396.1394365556.

Adding to 2721362426 its reverse (6242631272), we get a palindrome (8963993698).

The spelling of 2721362426 in words is "two billion, seven hundred twenty-one million, three hundred sixty-two thousand, four hundred twenty-six".