604538905441 has 27 divisors (see below), whose sum is σ = 629197655443. Its totient is φ = 580839287840.

The previous prime is 604538905433. The next prime is 604538905447. The reversal of 604538905441 is 144509835406.

The square root of 604538905441 is 777521.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 122769648225 + 481769257216 = 350385^2 + 694096^2 .

It is not a de Polignac number, because 604538905441 - 2³ = 604538905433 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (604538905447) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 2594587461 + ... + 2594587693.

Almost surely, 2^604538905441 is an apocalyptic number.

604538905441 is the 777521-st square number.

604538905441 is the 388761-st centered octagonal number.

It is an amenable number.

604538905441 is a deficient number, since it is larger than the sum of its proper divisors (24658750002).

604538905441 is an frugal number, since it uses more digits than its factorization.

604538905441 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 702 (or 351 counting only the distinct ones).

The product of its (nonzero) digits is 2073600, while the sum is 49.

Multiplying 604538905441 by its sum of digits (49), we get a square (29622406366609 = 5442647²).

The spelling of 604538905441 in words is "six hundred four billion, five hundred thirty-eight million, nine hundred five thousand, four hundred forty-one".