3969241745 has 32 divisors (see below), whose sum is σ = 5638187520. Its totient is φ = 2624670720.

The previous prime is 3969241733. The next prime is 3969241747. The reversal of 3969241745 is 5471429693.

3969241745 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 3969241745 - 2¹⁰ = 3969240721 is a prime.

It is a Smith number, since the sum of its digits (50) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a junction number, because it is equal to n+sod(n) for n = 3969241693 and 3969241702.

It is not an unprimeable number, because it can be changed into a prime (3969241747) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1044569 + ... + 1048361.

It is an arithmetic number, because the mean of its divisors is an integer number (176193360).

Almost surely, 2^3969241745 is an apocalyptic number.

3969241745 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

3969241745 is a deficient number, since it is larger than the sum of its proper divisors (1668945775).

3969241745 is a wasteful number, since it uses less digits than its factorization.

3969241745 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4865.

The product of its digits is 1632960, while the sum is 50.

The square root of 3969241745 is about 63001.9185818972. The cubic root of 3969241745 is about 1583.3217708728.

The spelling of 3969241745 in words is "three billion, nine hundred sixty-nine million, two hundred forty-one thousand, seven hundred forty-five".