545684518945 has 8 divisors (see below), whose sum is σ = 654825533760. Its totient is φ = 436544874480.

The previous prime is 545684518937. The next prime is 545684518957. The reversal of 545684518945 is 549815486545.

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

It is not a de Polignac number, because 545684518945 - 2³ = 545684518937 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, 1042750 + ... + 1476040.

It is an arithmetic number, because the mean of its divisors is an integer number (81853191720).

Almost surely, 2^545684518945 is an apocalyptic number.

It is an amenable number.

545684518945 is a deficient number, since it is larger than the sum of its proper divisors (109141014815).

545684518945 is a wasteful number, since it uses less digits than its factorization.

545684518945 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 685175.

The product of its digits is 138240000, while the sum is 64.

The spelling of 545684518945 in words is "five hundred forty-five billion, six hundred eighty-four million, five hundred eighteen thousand, nine hundred forty-five".