649071546803 has 2 divisors, whose sum is σ = 649071546804. Its totient is φ = 649071546802.

The previous prime is 649071546793. The next prime is 649071546839. The reversal of 649071546803 is 308645170946.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-649071546803 is a prime.

It is not a weakly prime, because it can be changed into another prime (649071546503) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 324535773401 + 324535773402.

It is an arithmetic number, because the mean of its divisors is an integer number (324535773402).

Almost surely, 2^649071546803 is an apocalyptic number.

649071546803 is a deficient number, since it is larger than the sum of its proper divisors (1).

649071546803 is an equidigital number, since it uses as much as digits as its factorization.

649071546803 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 4354560, while the sum is 53.

The spelling of 649071546803 in words is "six hundred forty-nine billion, seventy-one million, five hundred forty-six thousand, eight hundred three".