650707993 has 8 divisors (see below), whose sum is σ = 702269568. Its totient is φ = 599361744.

The previous prime is 650707987. The next prime is 650707999. The reversal of 650707993 is 399707056.

It is an interprime number because it is at equal distance from previous prime (650707987) and next prime (650707999).

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 650707993 - 2⁵ = 650707961 is a prime.

It is a super-3 number, since 3×650707993³ (a number of 27 digits) contains 333 as substring.

It is not an unprimeable number, because it can be changed into a prime (650707999) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47521 + ... + 59662.

It is an arithmetic number, because the mean of its divisors is an integer number (87783696).

Almost surely, 2^650707993 is an apocalyptic number.

It is an amenable number.

650707993 is a deficient number, since it is larger than the sum of its proper divisors (51561575).

650707993 is a wasteful number, since it uses less digits than its factorization.

650707993 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 107663.

The product of its (nonzero) digits is 357210, while the sum is 46.

The square root of 650707993 is about 25508.9786741845. The cubic root of 650707993 is about 866.5534995398.

The spelling of 650707993 in words is "six hundred fifty million, seven hundred seven thousand, nine hundred ninety-three".