2644053722 has 16 divisors (see below), whose sum is σ = 4022813160. Its totient is φ = 1303137792.

The previous prime is 2644053721. The next prime is 2644053739. The reversal of 2644053722 is 2273504462.

It can be written as a sum of positive squares in 4 ways, for example, as 2353317121 + 290736601 = 48511^2 + 17051^2 .

It is not an unprimeable number, because it can be changed into a prime (2644053721) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 297698 + ... + 306450.

Almost surely, 2^2644053722 is an apocalyptic number.

2644053722 is a deficient number, since it is larger than the sum of its proper divisors (1378759438).

2644053722 is a wasteful number, since it uses less digits than its factorization.

2644053722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10897.

The product of its (nonzero) digits is 80640, while the sum is 35.

The square root of 2644053722 is about 51420.3629119826. The cubic root of 2644053722 is about 1382.7916815814.

The spelling of 2644053722 in words is "two billion, six hundred forty-four million, fifty-three thousand, seven hundred twenty-two".