649273355234 has 32 divisors (see below), whose sum is σ = 1120546058880. Its totient is φ = 276385571712.

The previous prime is 649273355233. The next prime is 649273355239. The reversal of 649273355234 is 432553372946.

It is not an unprimeable number, because it can be changed into a prime (649273355233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3723422 + ... + 3893894.

It is an arithmetic number, because the mean of its divisors is an integer number (35017064340).

Almost surely, 2^649273355234 is an apocalyptic number.

649273355234 is a deficient number, since it is larger than the sum of its proper divisors (471272703646).

649273355234 is a wasteful number, since it uses less digits than its factorization.

649273355234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172314.

The product of its digits is 16329600, while the sum is 53.

The spelling of 649273355234 in words is "six hundred forty-nine billion, two hundred seventy-three million, three hundred fifty-five thousand, two hundred thirty-four".