4198541997 has 16 divisors (see below), whose sum is σ = 6029838080. Its totient is φ = 2583220032.

The previous prime is 4198541989. The next prime is 4198542041. The reversal of 4198541997 is 7991458914.

4198541997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4198541997 - 2³ = 4198541989 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 (4198541927) 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, 390903 + ... + 401499.

It is an arithmetic number, because the mean of its divisors is an integer number (376864880).

Almost surely, 2^4198541997 is an apocalyptic number.

It is an amenable number.

4198541997 is a deficient number, since it is larger than the sum of its proper divisors (1831296083).

4198541997 is a wasteful number, since it uses less digits than its factorization.

4198541997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20772.

The product of its digits is 3265920, while the sum is 57.

The square root of 4198541997 is about 64796.1572703197. The cubic root of 4198541997 is about 1613.2419272893.

The spelling of 4198541997 in words is "four billion, one hundred ninety-eight million, five hundred forty-one thousand, nine hundred ninety-seven".