945656585656549 has 32 divisors (see below), whose sum is σ = 1088998471056384. Its totient is φ = 813418937164800.

The previous prime is 945656585656499. The next prime is 945656585656579.

945656585656549 is nontrivially palindromic in base 10.

945656585656549 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 945656585656549 - 2²⁷ = 945656451438821 is a prime.

It is an alternating number because its digits alternate between odd and even.

It is a self number, because there is not a number n which added to its sum of digits gives 945656585656549.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945656585656579) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1611796282 + ... + 1612382884.

It is an arithmetic number, because the mean of its divisors is an integer number (34031202220512).

Almost surely, 2^{945656585656549} is an apocalyptic number.

It is an amenable number.

945656585656549 is a deficient number, since it is larger than the sum of its proper divisors (143341885399835).

945656585656549 is a wasteful number, since it uses less digits than its factorization.

945656585656549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 658957.

The product of its digits is 209952000000, while the sum is 88.

The spelling of 945656585656549 in words is "nine hundred forty-five trillion, six hundred fifty-six billion, five hundred eighty-five million, six hundred fifty-six thousand, five hundred forty-nine".