641649058 has 16 divisors (see below), whose sum is σ = 983041920. Its totient is φ = 313998256.

The previous prime is 641649023. The next prime is 641649059. The reversal of 641649058 is 850946146.

641649058 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (641649059) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37191 + ... + 51637.

It is an arithmetic number, because the mean of its divisors is an integer number (61440120).

Almost surely, 2^641649058 is an apocalyptic number.

641649058 is a deficient number, since it is larger than the sum of its proper divisors (341392862).

641649058 is a wasteful number, since it uses less digits than its factorization.

641649058 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14921.

The product of its (nonzero) digits is 207360, while the sum is 43.

The square root of 641649058 is about 25330.7926840042. The cubic root of 641649058 is about 862.5134053227.

The spelling of 641649058 in words is "six hundred forty-one million, six hundred forty-nine thousand, fifty-eight".