4649508864 has 840 divisors, whose sum is σ = 18982916568. Its totient is φ = 1114767360.

The previous prime is 4649508863. The next prime is 4649508869. The reversal of 4649508864 is 4688059464.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 4649508864.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4649508863) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 357654522 + ... + 357654534.

Almost surely, 2^4649508864 is an apocalyptic number.

4649508864 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4649508864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9491458284).

4649508864 is an abundant number, since it is smaller than the sum of its proper divisors (14333407704).

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

4649508864 is a wasteful number, since it uses less digits than its factorization.

4649508864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76 (or 36 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 54.

The square root of 4649508864 is about 68187.3072059603. The cubic root of 4649508864 is about 1669.0487685235.

The spelling of 4649508864 in words is "four billion, six hundred forty-nine million, five hundred eight thousand, eight hundred sixty-four".