4101989857 has 16 divisors (see below), whose sum is σ = 5225005440. Its totient is φ = 3134999808.

The previous prime is 4101989833. The next prime is 4101989863. The reversal of 4101989857 is 7589891014.

4101989857 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 4101989857 - 2¹⁹ = 4101465569 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4101989897) 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, 904858 + ... + 909379.

It is an arithmetic number, because the mean of its divisors is an integer number (326562840).

Almost surely, 2^4101989857 is an apocalyptic number.

It is an amenable number.

4101989857 is a deficient number, since it is larger than the sum of its proper divisors (1123015583).

4101989857 is a wasteful number, since it uses less digits than its factorization.

4101989857 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1814280.

The product of its (nonzero) digits is 725760, while the sum is 52.

The square root of 4101989857 is about 64046.7786621622. The cubic root of 4101989857 is about 1600.7795494244.

The spelling of 4101989857 in words is "four billion, one hundred one million, nine hundred eighty-nine thousand, eight hundred fifty-seven".