4251069648 has 160 divisors (see below), whose sum is σ = 13984382720. Its totient is φ = 1211189760.

The previous prime is 4251069643. The next prime is 4251069673. The reversal of 4251069648 is 8469601524.

4251069648 is a `hidden beast` number, since 4 + 2 + 510 + 6 + 96 + 48 = 666.

4251069648 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4251069643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1198758 + ... + 1202298.

It is an arithmetic number, because the mean of its divisors is an integer number (87402392).

Almost surely, 2^4251069648 is an apocalyptic number.

4251069648 is a gapful number since it is divisible by the number (48) 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 4251069648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6992191360).

4251069648 is an abundant number, since it is smaller than the sum of its proper divisors (9733313072).

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

4251069648 is a wasteful number, since it uses less digits than its factorization.

4251069648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3962 (or 3950 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 4251069648 is about 65200.2273615668. The cubic root of 4251069648 is about 1619.9417811725.

The spelling of 4251069648 in words is "four billion, two hundred fifty-one million, sixty-nine thousand, six hundred forty-eight".