649413546 has 16 divisors (see below), whose sum is σ = 1299545184. Its totient is φ = 216351504.

The previous prime is 649413493. The next prime is 649413553. The reversal of 649413546 is 645314946.

It is a happy number.

649413546 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 649413498 and 649413507.

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, 17785 + ... + 40188.

It is an arithmetic number, because the mean of its divisors is an integer number (81221574).

Almost surely, 2^649413546 is an apocalyptic number.

649413546 is an abundant number, since it is smaller than the sum of its proper divisors (650131638).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

649413546 is a wasteful number, since it uses less digits than its factorization.

649413546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59845.

The product of its digits is 311040, while the sum is 42.

The square root of 649413546 is about 25483.5936633749. The cubic root of 649413546 is about 865.9785093170.

The spelling of 649413546 in words is "six hundred forty-nine million, four hundred thirteen thousand, five hundred forty-six".