659379645 has 12 divisors (see below), whose sum is σ = 1142924796. Its totient is φ = 351669120.

The previous prime is 659379613. The next prime is 659379649. The reversal of 659379645 is 546973956.

659379645 is a `hidden beast` number, since 6 + 593 + 7 + 9 + 6 + 45 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 471497796 + 187881849 = 21714^2 + 13707^2 .

It is not a de Polignac number, because 659379645 - 2⁵ = 659379613 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 659379591 and 659379600.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (659379649) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 7326396 + ... + 7326485.

It is an arithmetic number, because the mean of its divisors is an integer number (95243733).

Almost surely, 2^659379645 is an apocalyptic number.

It is an amenable number.

659379645 is a deficient number, since it is larger than the sum of its proper divisors (483545151).

659379645 is a wasteful number, since it uses less digits than its factorization.

659379645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14652892 (or 14652889 counting only the distinct ones).

The product of its digits is 6123600, while the sum is 54.

The square root of 659379645 is about 25678.3886760832. The cubic root of 659379645 is about 870.3858969791.

The spelling of 659379645 in words is "six hundred fifty-nine million, three hundred seventy-nine thousand, six hundred forty-five".