2656634343 has 16 divisors (see below), whose sum is σ = 4032205056. Its totient is φ = 1540077440.

The previous prime is 2656634333. The next prime is 2656634347. The reversal of 2656634343 is 3434366562.

It is not a de Polignac number, because 2656634343 - 2⁸ = 2656634087 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2656634295 and 2656634304.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2656634347) 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 15 ways as a sum of consecutive naturals, for example, 1749330 + ... + 1750847.

It is an arithmetic number, because the mean of its divisors is an integer number (252012816).

Almost surely, 2^2656634343 is an apocalyptic number.

2656634343 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2656634343 is a deficient number, since it is larger than the sum of its proper divisors (1375570713).

2656634343 is a wasteful number, since it uses less digits than its factorization.

2656634343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3500214.

The product of its digits is 933120, while the sum is 42.

The square root of 2656634343 is about 51542.5488601408. The cubic root of 2656634343 is about 1384.9813571672.

The spelling of 2656634343 in words is "two billion, six hundred fifty-six million, six hundred thirty-four thousand, three hundred forty-three".