1650009873 has 8 divisors (see below), whose sum is σ = 2209219200. Its totient is φ = 1095403568.

The previous prime is 1650009847. The next prime is 1650009883. The reversal of 1650009873 is 3789000561.

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 1650009873 - 2¹⁷ = 1649878801 is a prime.

It is a super-2 number, since 2×1650009873² = 5445065161994952258, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1650009883) 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, 1149918 + ... + 1151351.

It is an arithmetic number, because the mean of its divisors is an integer number (276152400).

Almost surely, 2^1650009873 is an apocalyptic number.

It is an amenable number.

1650009873 is a deficient number, since it is larger than the sum of its proper divisors (559209327).

1650009873 is a wasteful number, since it uses less digits than its factorization.

1650009873 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2301511.

The product of its (nonzero) digits is 45360, while the sum is 39.

The square root of 1650009873 is about 40620.3135512271. The cubic root of 1650009873 is about 1181.6681073489.

The spelling of 1650009873 in words is "one billion, six hundred fifty million, nine thousand, eight hundred seventy-three".