2656613434 has 4 divisors (see below), whose sum is σ = 3984920154. Its totient is φ = 1328306716.

The previous prime is 2656613429. The next prime is 2656613437. The reversal of 2656613434 is 4343166562.

It is a happy number.

2656613434 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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., 1998537025 + 658076409 = 44705^2 + 25653^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is not an unprimeable number, because it can be changed into a prime (2656613437) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 664153357 + ... + 664153360.

Almost surely, 2^2656613434 is an apocalyptic number.

2656613434 is a deficient number, since it is larger than the sum of its proper divisors (1328306720).

2656613434 is a wasteful number, since it uses less digits than its factorization.

2656613434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1328306719.

The product of its digits is 311040, while the sum is 40.

The square root of 2656613434 is about 51542.3460273201. The cubic root of 2656613434 is about 1384.9777236661.

Adding to 2656613434 its reverse (4343166562), we get a palindrome (6999779996).

It can be divided in two parts, 26566 and 13434, that added together give a square (40000 = 200²).

The spelling of 2656613434 in words is "two billion, six hundred fifty-six million, six hundred thirteen thousand, four hundred thirty-four".