1589680645 has 16 divisors (see below), whose sum is σ = 2183005440. Its totient is φ = 1088630784.

The previous prime is 1589680643. The next prime is 1589680649. The reversal of 1589680645 is 5460869851.

It is a cyclic number.

It is not a de Polignac number, because 1589680645 - 2¹ = 1589680643 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1589680592 and 1589680601.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1589680643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2617 + ... + 56446.

It is an arithmetic number, because the mean of its divisors is an integer number (136437840).

Almost surely, 2^1589680645 is an apocalyptic number.

It is an amenable number.

1589680645 is a deficient number, since it is larger than the sum of its proper divisors (593324795).

1589680645 is an equidigital number, since it uses as much as digits as its factorization.

1589680645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59844.

The product of its (nonzero) digits is 2073600, while the sum is 52.

The square root of 1589680645 is about 39870.7994025703. The cubic root of 1589680645 is about 1167.0871719099.

The spelling of 1589680645 in words is "one billion, five hundred eighty-nine million, six hundred eighty thousand, six hundred forty-five".