4651418884 has 60 divisors (see below), whose sum is σ = 9595901084. Its totient is φ = 1972518912.

The previous prime is 4651418879. The next prime is 4651418939. The reversal of 4651418884 is 4888141564.

It can be written as a sum of positive squares in 2 ways, for example, as 1850892484 + 2800526400 = 43022^2 + 52920^2 .

It is a Harshad number since it is a multiple of its sum of digits (49).

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 19 ways as a sum of consecutive naturals, for example, 929092 + ... + 934084.

Almost surely, 2^4651418884 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 4651418884, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4797950542).

4651418884 is an abundant number, since it is smaller than the sum of its proper divisors (4944482200).

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

4651418884 is an equidigital number, since it uses as much as digits as its factorization.

4651418884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5122 (or 5099 counting only the distinct ones).

The product of its digits is 983040, while the sum is 49.

The square root of 4651418884 is about 68201.3114536663. The cubic root of 4651418884 is about 1669.2772858565.

The spelling of 4651418884 in words is "four billion, six hundred fifty-one million, four hundred eighteen thousand, eight hundred eighty-four".