4197901745 has 4 divisors (see below), whose sum is σ = 5037482100. Its totient is φ = 3358321392.

The previous prime is 4197901733. The next prime is 4197901801. The reversal of 4197901745 is 5471097914.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1571646736 + 2626255009 = 39644^2 + 51247^2 .

It is a cyclic number.

It is not a de Polignac number, because 4197901745 - 2¹⁸ = 4197639601 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 4197901745.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 419790170 + ... + 419790179.

It is an arithmetic number, because the mean of its divisors is an integer number (1259370525).

Almost surely, 2^4197901745 is an apocalyptic number.

It is an amenable number.

4197901745 is a deficient number, since it is larger than the sum of its proper divisors (839580355).

4197901745 is an equidigital number, since it uses as much as digits as its factorization.

4197901745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 839580354.

The product of its (nonzero) digits is 317520, while the sum is 47.

The square root of 4197901745 is about 64791.2165729275. The cubic root of 4197901745 is about 1613.1599199418.

The spelling of 4197901745 in words is "four billion, one hundred ninety-seven million, nine hundred one thousand, seven hundred forty-five".