1650016429 has 2 divisors, whose sum is σ = 1650016430. Its totient is φ = 1650016428.

The previous prime is 1650016421. The next prime is 1650016439. The reversal of 1650016429 is 9246100561.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1036711204 + 613305225 = 32198^2 + 24765^2 .

It is an emirp because it is prime and its reverse (9246100561) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 1650016429 - 2³ = 1650016421 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 1650016394 and 1650016403.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1650016421) 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 as a sum of consecutive naturals, namely, 825008214 + 825008215.

It is an arithmetic number, because the mean of its divisors is an integer number (825008215).

Almost surely, 2^1650016429 is an apocalyptic number.

It is an amenable number.

1650016429 is a deficient number, since it is larger than the sum of its proper divisors (1).

1650016429 is an equidigital number, since it uses as much as digits as its factorization.

1650016429 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 34.

The square root of 1650016429 is about 40620.3942496869. The cubic root of 1650016429 is about 1181.6696723912.

The spelling of 1650016429 in words is "one billion, six hundred fifty million, sixteen thousand, four hundred twenty-nine".