2656350644 has 12 divisors (see below), whose sum is σ = 4675485444. Its totient is φ = 1320497664.

The previous prime is 2656350643. The next prime is 2656350659. The reversal of 2656350644 is 4460536562.

It is a happy number.

2656350644 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 1063542544 + 1592808100 = 32612^2 + 39910^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656350643) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1918637 + ... + 1920020.

It is an arithmetic number, because the mean of its divisors is an integer number (389623787).

Almost surely, 2^2656350644 is an apocalyptic number.

It is an amenable number.

2656350644 is a deficient number, since it is larger than the sum of its proper divisors (2019134800).

2656350644 is a wasteful number, since it uses less digits than its factorization.

2656350644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3838834 (or 3838832 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 41.

The square root of 2656350644 is about 51539.7967011900. The cubic root of 2656350644 is about 1384.9320552106.

The spelling of 2656350644 in words is "two billion, six hundred fifty-six million, three hundred fifty thousand, six hundred forty-four".