650738029 has 4 divisors (see below), whose sum is σ = 650795580. Its totient is φ = 650680480.

The previous prime is 650738021. The next prime is 650738111. The reversal of 650738029 is 920837056.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 449864100 + 200873929 = 21210^2 + 14173^2 .

It is a cyclic number.

It is not a de Polignac number, because 650738029 - 2³ = 650738021 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 650737982 and 650738000.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (650738021) 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, 5584 + ... + 36505.

It is an arithmetic number, because the mean of its divisors is an integer number (162698895).

Almost surely, 2^650738029 is an apocalyptic number.

It is an amenable number.

650738029 is a deficient number, since it is larger than the sum of its proper divisors (57551).

650738029 is a wasteful number, since it uses less digits than its factorization.

650738029 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57550.

The product of its (nonzero) digits is 90720, while the sum is 40.

The square root of 650738029 is about 25509.5674012712. The cubic root of 650738029 is about 866.5668324022.

The spelling of 650738029 in words is "six hundred fifty million, seven hundred thirty-eight thousand, twenty-nine".