649196683 has 2 divisors, whose sum is σ = 649196684. Its totient is φ = 649196682.

The previous prime is 649196659. The next prime is 649196687. The reversal of 649196683 is 386691946.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 649196683 - 2¹⁷ = 649065611 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 649196683.

It is not a weakly prime, because it can be changed into another prime (649196687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324598341 + 324598342.

It is an arithmetic number, because the mean of its divisors is an integer number (324598342).

Almost surely, 2^649196683 is an apocalyptic number.

649196683 is a deficient number, since it is larger than the sum of its proper divisors (1).

649196683 is an equidigital number, since it uses as much as digits as its factorization.

649196683 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1679616, while the sum is 52.

The square root of 649196683 is about 25479.3383548317. The cubic root of 649196683 is about 865.8821045907.

The spelling of 649196683 in words is "six hundred forty-nine million, one hundred ninety-six thousand, six hundred eighty-three".