2656213545 has 8 divisors (see below), whose sum is σ = 4249941696. Its totient is φ = 1416647216.

The previous prime is 2656213537. The next prime is 2656213643. The reversal of 2656213545 is 5453126562.

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

It is a cyclic number.

It is not a de Polignac number, because 2656213545 - 2³ = 2656213537 is a prime.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 88540437 + ... + 88540466.

It is an arithmetic number, because the mean of its divisors is an integer number (531242712).

Almost surely, 2^2656213545 is an apocalyptic number.

It is an amenable number.

2656213545 is a deficient number, since it is larger than the sum of its proper divisors (1593728151).

2656213545 is a wasteful number, since it uses less digits than its factorization.

2656213545 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 177080911.

The product of its digits is 216000, while the sum is 39.

The square root of 2656213545 is about 51538.4666535589. The cubic root of 2656213545 is about 1384.9082285285.

The spelling of 2656213545 in words is "two billion, six hundred fifty-six million, two hundred thirteen thousand, five hundred forty-five".