649824741 has 8 divisors (see below), whose sum is σ = 962703360. Its totient is φ = 433216476.

The previous prime is 649824709. The next prime is 649824767. The reversal of 649824741 is 147428946.

It is not a de Polignac number, because 649824741 - 2⁵ = 649824709 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (649824701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12033765 + ... + 12033818.

It is an arithmetic number, because the mean of its divisors is an integer number (120337920).

Almost surely, 2^649824741 is an apocalyptic number.

It is an amenable number.

649824741 is a deficient number, since it is larger than the sum of its proper divisors (312878619).

649824741 is a wasteful number, since it uses less digits than its factorization.

649824741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24067592 (or 24067586 counting only the distinct ones).

The product of its digits is 387072, while the sum is 45.

The square root of 649824741 is about 25491.6602244734. The cubic root of 649824741 is about 866.1612438814.

The spelling of 649824741 in words is "six hundred forty-nine million, eight hundred twenty-four thousand, seven hundred forty-one".