1650550233 has 4 divisors (see below), whose sum is σ = 2200733648. Its totient is φ = 1100366820.

The previous prime is 1650550189. The next prime is 1650550289. The reversal of 1650550233 is 3320550561.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 1650550233 - 2⁶ = 1650550169 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 1650550233.

It is not an unprimeable number, because it can be changed into a prime (1650550133) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 275091703 + ... + 275091708.

It is an arithmetic number, because the mean of its divisors is an integer number (550183412).

Almost surely, 2^1650550233 is an apocalyptic number.

It is an amenable number.

1650550233 is a deficient number, since it is larger than the sum of its proper divisors (550183415).

1650550233 is an equidigital number, since it uses as much as digits as its factorization.

1650550233 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 550183414.

The product of its (nonzero) digits is 13500, while the sum is 30.

The square root of 1650550233 is about 40626.9643586621. The cubic root of 1650550233 is about 1181.7970876857.

The spelling of 1650550233 in words is "one billion, six hundred fifty million, five hundred fifty thousand, two hundred thirty-three".