545564404465545 has 8 divisors (see below), whose sum is σ = 872903047144896. Its totient is φ = 290967682381616.

The previous prime is 545564404465439. The next prime is 545564404465573.

545564404465545 is nontrivially palindromic in base 10.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-545564404465545 is a prime.

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, 18185480148837 + ... + 18185480148866.

It is an arithmetic number, because the mean of its divisors is an integer number (109112880893112).

Almost surely, 2^{545564404465545} is an apocalyptic number.

It is an amenable number.

545564404465545 is a deficient number, since it is larger than the sum of its proper divisors (327338642679351).

545564404465545 is a wasteful number, since it uses less digits than its factorization.

545564404465545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 36370960297711.

The product of its (nonzero) digits is 2304000000, while the sum is 66.

The spelling of 545564404465545 in words is "five hundred forty-five trillion, five hundred sixty-four billion, four hundred four million, four hundred sixty-five thousand, five hundred forty-five".