604600644405545 has 4 divisors (see below), whose sum is σ = 725520773286660. Its totient is φ = 483680515524432.

The previous prime is 604600644405491. The next prime is 604600644405557. The reversal of 604600644405545 is 545504446006406.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 362791675562281 + 241808968843264 = 19047091^2 + 15550208^2 .

It is a cyclic number.

It is not a de Polignac number, because 604600644405545 - 2²² = 604600640211241 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60460064440550 + ... + 60460064440559.

It is an arithmetic number, because the mean of its divisors is an integer number (181380193321665).

Almost surely, 2^{604600644405545} is an apocalyptic number.

It is an amenable number.

604600644405545 is a deficient number, since it is larger than the sum of its proper divisors (120920128881115).

604600644405545 is a wasteful number, since it uses less digits than its factorization.

604600644405545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120920128881114.

The product of its (nonzero) digits is 27648000, while the sum is 53.

The spelling of 604600644405545 in words is "six hundred four trillion, six hundred billion, six hundred forty-four million, four hundred five thousand, five hundred forty-five".