649041353 has 2 divisors, whose sum is σ = 649041354. Its totient is φ = 649041352.

The previous prime is 649041343. The next prime is 649041391. The reversal of 649041353 is 353140946.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 609250489 + 39790864 = 24683^2 + 6308^2 .

It is a cyclic number.

It is not a de Polignac number, because 649041353 - 2²⁶ = 581932489 is a prime.

It is not a weakly prime, because it can be changed into another prime (649041313) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324520676 + 324520677.

It is an arithmetic number, because the mean of its divisors is an integer number (324520677).

Almost surely, 2^649041353 is an apocalyptic number.

It is an amenable number.

649041353 is a deficient number, since it is larger than the sum of its proper divisors (1).

649041353 is an equidigital number, since it uses as much as digits as its factorization.

649041353 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 38880, while the sum is 35.

The square root of 649041353 is about 25476.2900164054. The cubic root of 649041353 is about 865.8130406746.

The spelling of 649041353 in words is "six hundred forty-nine million, forty-one thousand, three hundred fifty-three".