649234113 has 16 divisors (see below), whose sum is σ = 945003456. Its totient is φ = 393199040.

The previous prime is 649234099. The next prime is 649234151. The reversal of 649234113 is 311432946.

It is a cyclic number.

It is not a de Polignac number, because 649234113 - 2¹⁶ = 649168577 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is not an unprimeable number, because it can be changed into a prime (649234613) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 47131 + ... + 59327.

It is an arithmetic number, because the mean of its divisors is an integer number (59062716).

Almost surely, 2^649234113 is an apocalyptic number.

It is an amenable number.

649234113 is a deficient number, since it is larger than the sum of its proper divisors (295769343).

649234113 is a wasteful number, since it uses less digits than its factorization.

649234113 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13824.

The product of its digits is 15552, while the sum is 33.

The square root of 649234113 is about 25480.0728609633. The cubic root of 649234113 is about 865.8987453331.

The spelling of 649234113 in words is "six hundred forty-nine million, two hundred thirty-four thousand, one hundred thirteen".