4201721017 has 8 divisors (see below), whose sum is σ = 4554898880. Its totient is φ = 3852824400.

The previous prime is 4201720981. The next prime is 4201721023. The reversal of 4201721017 is 7101271024.

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

It is a cyclic number.

It is not a de Polignac number, because 4201721017 - 2⁷ = 4201720889 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4201720982 and 4201721000.

It is not an unprimeable number, because it can be changed into a prime (4201722017) 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, 1068267 + ... + 1072192.

It is an arithmetic number, because the mean of its divisors is an integer number (569362360).

Almost surely, 2^4201721017 is an apocalyptic number.

It is an amenable number.

4201721017 is a deficient number, since it is larger than the sum of its proper divisors (353177863).

4201721017 is a wasteful number, since it uses less digits than its factorization.

4201721017 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2140623.

The product of its (nonzero) digits is 784, while the sum is 25.

The square root of 4201721017 is about 64820.6835585679. The cubic root of 4201721017 is about 1613.6489919724.

The spelling of 4201721017 in words is "four billion, two hundred one million, seven hundred twenty-one thousand, seventeen".