649476353 has 2 divisors, whose sum is σ = 649476354. Its totient is φ = 649476352.

The previous prime is 649476337. The next prime is 649476371. The reversal of 649476353 is 353674946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 647549809 + 1926544 = 25447^2 + 1388^2 .

It is a cyclic number.

It is not a de Polignac number, because 649476353 - 2⁴ = 649476337 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 649476298 and 649476307.

It is not a weakly prime, because it can be changed into another prime (649476053) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324738176 + 324738177.

It is an arithmetic number, because the mean of its divisors is an integer number (324738177).

Almost surely, 2^649476353 is an apocalyptic number.

It is an amenable number.

649476353 is a deficient number, since it is larger than the sum of its proper divisors (1).

649476353 is an equidigital number, since it uses as much as digits as its factorization.

649476353 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 1632960, while the sum is 47.

The square root of 649476353 is about 25484.8259362312. The cubic root of 649476353 is about 866.0064256626.

The spelling of 649476353 in words is "six hundred forty-nine million, four hundred seventy-six thousand, three hundred fifty-three".