1000650993 has 4 divisors (see below), whose sum is σ = 1334201328. Its totient is φ = 667100660.

The previous prime is 1000650947. The next prime is 1000651013. The reversal of 1000650993 is 3990560001.

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 a cyclic number.

It is not a de Polignac number, because 1000650993 - 2⁸ = 1000650737 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (1000650943) 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, 166775163 + ... + 166775168.

It is an arithmetic number, because the mean of its divisors is an integer number (333550332).

Almost surely, 2^1000650993 is an apocalyptic number.

It is an amenable number.

1000650993 is a deficient number, since it is larger than the sum of its proper divisors (333550335).

1000650993 is an equidigital number, since it uses as much as digits as its factorization.

1000650993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 333550334.

The product of its (nonzero) digits is 7290, while the sum is 33.

The square root of 1000650993 is about 31633.0680301485. The cubic root of 1000650993 is about 1000.2169505957.

The spelling of 1000650993 in words is "one billion, six hundred fifty thousand, nine hundred ninety-three".