4649512464 has 240 divisors, whose sum is σ = 13892860800. Its totient is φ = 1449283584.

The previous prime is 4649512451. The next prime is 4649512489. The reversal of 4649512464 is 4642159464.

4649512464 is a `hidden beast` number, since 464 + 9 + 5 + 124 + 64 = 666.

It is an unprimeable number.

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 47 ways as a sum of consecutive naturals, for example, 27841309 + ... + 27841475.

It is an arithmetic number, because the mean of its divisors is an integer number (57886920).

Almost surely, 2^4649512464 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4649512464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6946430400).

4649512464 is an abundant number, since it is smaller than the sum of its proper divisors (9243348336).

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

4649512464 is a wasteful number, since it uses less digits than its factorization.

4649512464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 382 (or 373 counting only the distinct ones).

The product of its digits is 829440, while the sum is 45.

The square root of 4649512464 is about 68187.3336038300. Note that the first 3 decimals coincide. The cubic root of 4649512464 is about 1669.0491992912.

The spelling of 4649512464 in words is "four billion, six hundred forty-nine million, five hundred twelve thousand, four hundred sixty-four".