650434945 has 8 divisors (see below), whose sum is σ = 786668544. Its totient is φ = 516250224.

The previous prime is 650434919. The next prime is 650434949. The reversal of 650434945 is 549434056.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 650434945 - 2⁵ = 650434913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 650434898 and 650434907.

It is not an unprimeable number, because it can be changed into a prime (650434949) 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 7 ways as a sum of consecutive naturals, for example, 511519 + ... + 512788.

It is an arithmetic number, because the mean of its divisors is an integer number (98333568).

Almost surely, 2^650434945 is an apocalyptic number.

It is an amenable number.

650434945 is a deficient number, since it is larger than the sum of its proper divisors (136233599).

650434945 is a wasteful number, since it uses less digits than its factorization.

650434945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1024439.

The product of its (nonzero) digits is 259200, while the sum is 40.

The square root of 650434945 is about 25503.6261147312. The cubic root of 650434945 is about 866.4322757828.

The spelling of 650434945 in words is "six hundred fifty million, four hundred thirty-four thousand, nine hundred forty-five".