650099893 has 2 divisors, whose sum is σ = 650099894. Its totient is φ = 650099892.

The previous prime is 650099881. The next prime is 650099921. The reversal of 650099893 is 398990056.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 390181009 + 259918884 = 19753^2 + 16122^2 .

It is a cyclic number.

It is not a de Polignac number, because 650099893 - 2¹⁷ = 649968821 is a prime.

It is a super-2 number, since 2×650099893² = 845259741757222898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (650099993) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325049946 + 325049947.

It is an arithmetic number, because the mean of its divisors is an integer number (325049947).

Almost surely, 2^650099893 is an apocalyptic number.

It is an amenable number.

650099893 is a deficient number, since it is larger than the sum of its proper divisors (1).

650099893 is an equidigital number, since it uses as much as digits as its factorization.

650099893 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 524880, while the sum is 49.

The square root of 650099893 is about 25497.0565556105. The cubic root of 650099893 is about 866.2834780540.

The spelling of 650099893 in words is "six hundred fifty million, ninety-nine thousand, eight hundred ninety-three".