649045226810 has 16 divisors (see below), whose sum is σ = 1208566974600. Its totient is φ = 250665742656.

The previous prime is 649045226789. The next prime is 649045226821. The reversal of 649045226810 is 18622540946.

649045226810 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 601131956929 + 47913269881 = 775327^2 + 218891^2 .

It is a super-2 number, since 2×649045226810² (a number of 24 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119043205 + ... + 1119043784.

Almost surely, 2^649045226810 is an apocalyptic number.

649045226810 is a deficient number, since it is larger than the sum of its proper divisors (559521747790).

649045226810 is a wasteful number, since it uses less digits than its factorization.

649045226810 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2238087025.

The product of its (nonzero) digits is 829440, while the sum is 47.

The spelling of 649045226810 in words is "six hundred forty-nine billion, forty-five million, two hundred twenty-six thousand, eight hundred ten".