4243698901 has 8 divisors (see below), whose sum is σ = 4573873080. Its totient is φ = 3914058432.

The previous prime is 4243698827. The next prime is 4243698913. The reversal of 4243698901 is 1098963424.

It can be written as a sum of positive squares in 4 ways, for example, as 936298801 + 3307400100 = 30599^2 + 57510^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4243698901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4243698931) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 116830 + ... + 148783.

It is an arithmetic number, because the mean of its divisors is an integer number (571734135).

Almost surely, 2^4243698901 is an apocalyptic number.

It is an amenable number.

4243698901 is a deficient number, since it is larger than the sum of its proper divisors (330174179).

4243698901 is a wasteful number, since it uses less digits than its factorization.

4243698901 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 266855.

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 4243698901 is about 65143.6789028682. The cubic root of 4243698901 is about 1619.0049903941.

The spelling of 4243698901 in words is "four billion, two hundred forty-three million, six hundred ninety-eight thousand, nine hundred one".