650630429 has 4 divisors (see below), whose sum is σ = 650824476. Its totient is φ = 650436384.

The previous prime is 650630423. The next prime is 650630441. The reversal of 650630429 is 924036056.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 492751204 + 157879225 = 22198^2 + 12565^2 .

It is a cyclic number.

It is not a de Polignac number, because 650630429 - 2²⁰ = 649581853 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 (650630423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 91904 + ... + 98729.

It is an arithmetic number, because the mean of its divisors is an integer number (162706119).

Almost surely, 2^650630429 is an apocalyptic number.

It is an amenable number.

650630429 is a deficient number, since it is larger than the sum of its proper divisors (194047).

650630429 is a wasteful number, since it uses less digits than its factorization.

650630429 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 194046.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 650630429 is about 25507.4583014459. The cubic root of 650630429 is about 866.5190672870.

The spelling of 650630429 in words is "six hundred fifty million, six hundred thirty thousand, four hundred twenty-nine".