650943011 has 2 divisors, whose sum is σ = 650943012. Its totient is φ = 650943010.

The previous prime is 650943001. The next prime is 650943049. The reversal of 650943011 is 110349056.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-650943011 is a prime.

It is a super-2 number, since 2×650943011² = 847453607139492242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (650943001) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 325471505 + 325471506.

It is an arithmetic number, because the mean of its divisors is an integer number (325471506).

Almost surely, 2^650943011 is an apocalyptic number.

650943011 is a deficient number, since it is larger than the sum of its proper divisors (1).

650943011 is an equidigital number, since it uses as much as digits as its factorization.

650943011 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 3240, while the sum is 29.

The square root of 650943011 is about 25513.5848323986. The cubic root of 650943011 is about 866.6578121548.

The spelling of 650943011 in words is "six hundred fifty million, nine hundred forty-three thousand, eleven".