650974789 has 16 divisors (see below), whose sum is σ = 706752000. Its totient is φ = 597648240.

The previous prime is 650974787. The next prime is 650974837. The reversal of 650974789 is 987479056.

It is a cyclic number.

It is not a de Polignac number, because 650974789 - 2¹ = 650974787 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650974787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 75502 + ... + 83680.

It is an arithmetic number, because the mean of its divisors is an integer number (44172000).

Almost surely, 2^650974789 is an apocalyptic number.

It is an amenable number.

650974789 is a deficient number, since it is larger than the sum of its proper divisors (55777211).

650974789 is a wasteful number, since it uses less digits than its factorization.

650974789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8328.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The square root of 650974789 is about 25514.2075910658. The cubic root of 650974789 is about 866.6719148762.

The spelling of 650974789 in words is "six hundred fifty million, nine hundred seventy-four thousand, seven hundred eighty-nine".