597491404645 has 4 divisors (see below), whose sum is σ = 716989685580. Its totient is φ = 477993123712.

The previous prime is 597491404639. The next prime is 597491404663. The reversal of 597491404645 is 546404194795.

It is a happy number.

597491404645 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 546404194795 = 5 ⋅109280838959.

It can be written as a sum of positive squares in 2 ways, for example, as 256378170244 + 341113234401 = 506338^2 + 584049^2 .

It is a cyclic number.

It is not a de Polignac number, because 597491404645 - 2⁵ = 597491404613 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 597491404645.

It is a congruent number.

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, 59749140460 + ... + 59749140469.

It is an arithmetic number, because the mean of its divisors is an integer number (179247421395).

Almost surely, 2^597491404645 is an apocalyptic number.

It is an amenable number.

597491404645 is a deficient number, since it is larger than the sum of its proper divisors (119498280935).

597491404645 is a wasteful number, since it uses less digits than its factorization.

597491404645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 119498280934.

The product of its (nonzero) digits is 21772800, while the sum is 58.

The spelling of 597491404645 in words is "five hundred ninety-seven billion, four hundred ninety-one million, four hundred four thousand, six hundred forty-five".