650132993 has 2 divisors, whose sum is σ = 650132994. Its totient is φ = 650132992.

The previous prime is 650132983. The next prime is 650133017. The reversal of 650132993 is 399231056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 565345729 + 84787264 = 23777^2 + 9208^2 .

It is a cyclic number.

It is not a de Polignac number, because 650132993 - 2⁶ = 650132929 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (650132983) 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 as a sum of consecutive naturals, namely, 325066496 + 325066497.

It is an arithmetic number, because the mean of its divisors is an integer number (325066497).

Almost surely, 2^650132993 is an apocalyptic number.

It is an amenable number.

650132993 is a deficient number, since it is larger than the sum of its proper divisors (1).

650132993 is an equidigital number, since it uses as much as digits as its factorization.

650132993 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 43740, while the sum is 38.

The square root of 650132993 is about 25497.7056418808. The cubic root of 650132993 is about 866.2981801518.

The spelling of 650132993 in words is "six hundred fifty million, one hundred thirty-two thousand, nine hundred ninety-three".