4250128069 has 16 divisors (see below), whose sum is σ = 4901532480. Its totient is φ = 3644645760.

The previous prime is 4250128013. The next prime is 4250128073. The reversal of 4250128069 is 9608210524.

It is a cyclic number.

It is not a de Polignac number, because 4250128069 - 2⁷ = 4250127941 is a prime.

It is a super-2 number, since 2×4250128069² = 36127177205803337522, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4250128009) 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, 5059 + ... + 92335.

It is an arithmetic number, because the mean of its divisors is an integer number (306345780).

Almost surely, 2^4250128069 is an apocalyptic number.

It is an amenable number.

4250128069 is a deficient number, since it is larger than the sum of its proper divisors (651404411).

4250128069 is a wasteful number, since it uses less digits than its factorization.

4250128069 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 87540.

The product of its (nonzero) digits is 34560, while the sum is 37.

The square root of 4250128069 is about 65193.0062890185. The cubic root of 4250128069 is about 1619.8221708221.

The spelling of 4250128069 in words is "four billion, two hundred fifty million, one hundred twenty-eight thousand, sixty-nine".