649266093 has 12 divisors (see below), whose sum is σ = 1071804448. Its totient is φ = 371009160.

The previous prime is 649266071. The next prime is 649266097. The reversal of 649266093 is 390662946.

649266093 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 649266093 - 2¹⁰ = 649265069 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649266097) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5152843 + ... + 5152968.

Almost surely, 2^649266093 is an apocalyptic number.

649266093 is a gapful number since it is divisible by the number (63) formed by its first and last digit.

It is an amenable number.

649266093 is a deficient number, since it is larger than the sum of its proper divisors (422538355).

649266093 is a wasteful number, since it uses less digits than its factorization.

649266093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10305824 (or 10305821 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 45.

The square root of 649266093 is about 25480.7004024615. The cubic root of 649266093 is about 865.9129625914.

The spelling of 649266093 in words is "six hundred forty-nine million, two hundred sixty-six thousand, ninety-three".