3911241689 has 4 divisors (see below), whose sum is σ = 3985038756. Its totient is φ = 3837444624.

The previous prime is 3911241671. The next prime is 3911241709. The reversal of 3911241689 is 9861421193.

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 3395043289 + 516198400 = 58267^2 + 22720^2 .

It is a cyclic number.

It is not a de Polignac number, because 3911241689 - 2¹² = 3911237593 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3911241589) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 36898454 + ... + 36898559.

It is an arithmetic number, because the mean of its divisors is an integer number (996259689).

Almost surely, 2^3911241689 is an apocalyptic number.

It is an amenable number.

3911241689 is a deficient number, since it is larger than the sum of its proper divisors (73797067).

3911241689 is an equidigital number, since it uses as much as digits as its factorization.

3911241689 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 73797066.

The product of its digits is 93312, while the sum is 44.

The square root of 3911241689 is about 62539.9207626617. The cubic root of 3911241689 is about 1575.5718677864.

The spelling of 3911241689 in words is "three billion, nine hundred eleven million, two hundred forty-one thousand, six hundred eighty-nine".