649629011 has 2 divisors, whose sum is σ = 649629012. Its totient is φ = 649629010.

The previous prime is 649628983. The next prime is 649629031. The reversal of 649629011 is 110926946.

649629011 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 649629011 - 2¹⁴ = 649612627 is a prime.

It is not a weakly prime, because it can be changed into another prime (649629031) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324814505 + 324814506.

It is an arithmetic number, because the mean of its divisors is an integer number (324814506).

Almost surely, 2^649629011 is an apocalyptic number.

649629011 is the 11399-th centered decagonal number.

649629011 is a deficient number, since it is larger than the sum of its proper divisors (1).

649629011 is an equidigital number, since it uses as much as digits as its factorization.

649629011 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 649629011 is about 25487.8208366270. The cubic root of 649629011 is about 866.0742713210.

The spelling of 649629011 in words is "six hundred forty-nine million, six hundred twenty-nine thousand, eleven".