945543345549 has 32 divisors (see below), whose sum is σ = 1477972832256. Its totient is φ = 531297381120.

The previous prime is 945543345529. The next prime is 945543345553.

945543345549 is nontrivially palindromic in base 10.

It is not a de Polignac number, because 945543345549 - 2¹¹ = 945543343501 is a prime.

It is a super-2 number, since 2×945543345549² (a number of 25 digits) contains 22 as substring.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 945543345492 and 945543345501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (945543345529) 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, 12540477 + ... + 12615650.

It is an arithmetic number, because the mean of its divisors is an integer number (46186651008).

Almost surely, 2^945543345549 is an apocalyptic number.

It is an amenable number.

945543345549 is a deficient number, since it is larger than the sum of its proper divisors (532429486707).

945543345549 is a wasteful number, since it uses less digits than its factorization.

945543345549 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25156225.

The product of its digits is 116640000, while the sum is 60.

The spelling of 945543345549 in words is "nine hundred forty-five billion, five hundred forty-three million, three hundred forty-five thousand, five hundred forty-nine".