4128248641 has 16 divisors (see below), whose sum is σ = 4692307968. Its totient is φ = 3597915600.

The previous prime is 4128248639. The next prime is 4128248651. The reversal of 4128248641 is 1468428214.

It is a cyclic number.

It is not a de Polignac number, because 4128248641 - 2¹ = 4128248639 is a prime.

It is a super-3 number, since 3×4128248641³ (a number of 30 digits) contains 333 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4128248594 and 4128248603.

It is not an unprimeable number, because it can be changed into a prime (4128248651) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20085 + ... + 93058.

It is an arithmetic number, because the mean of its divisors is an integer number (293269248).

Almost surely, 2^4128248641 is an apocalyptic number.

It is an amenable number.

4128248641 is a deficient number, since it is larger than the sum of its proper divisors (564059327).

4128248641 is a wasteful number, since it uses less digits than its factorization.

4128248641 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 113292.

The product of its digits is 98304, while the sum is 40.

The square root of 4128248641 is about 64251.4485517642. The cubic root of 4128248641 is about 1604.1880697767.

The spelling of 4128248641 in words is "four billion, one hundred twenty-eight million, two hundred forty-eight thousand, six hundred forty-one".