3946741745 has 4 divisors (see below), whose sum is σ = 4736090100. Its totient is φ = 3157393392.

The previous prime is 3946741697. The next prime is 3946741783. The reversal of 3946741745 is 5471476493.

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 1542996961 + 2403744784 = 39281^2 + 49028^2 .

It is a cyclic number.

It is not a de Polignac number, because 3946741745 - 2²⁶ = 3879632881 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 3946741693 and 3946741702.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 394674170 + ... + 394674179.

It is an arithmetic number, because the mean of its divisors is an integer number (1184022525).

Almost surely, 2^3946741745 is an apocalyptic number.

It is an amenable number.

3946741745 is a deficient number, since it is larger than the sum of its proper divisors (789348355).

3946741745 is an equidigital number, since it uses as much as digits as its factorization.

3946741745 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 789348354.

The product of its digits is 2540160, while the sum is 50.

The square root of 3946741745 is about 62823.0988172344. The cubic root of 3946741745 is about 1580.3243665883.

The spelling of 3946741745 in words is "three billion, nine hundred forty-six million, seven hundred forty-one thousand, seven hundred forty-five".