3661959743 has 8 divisors (see below), whose sum is σ = 4115112288. Its totient is φ = 3233301984.

The previous prime is 3661959713. The next prime is 3661959779. The reversal of 3661959743 is 3479591663.

3661959743 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 3661959743 - 2¹⁰ = 3661958719 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 (3661959703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6123380 + ... + 6123977.

It is an arithmetic number, because the mean of its divisors is an integer number (514389036).

Almost surely, 2^3661959743 is an apocalyptic number.

3661959743 is a deficient number, since it is larger than the sum of its proper divisors (453152545).

3661959743 is a wasteful number, since it uses less digits than its factorization.

3661959743 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12247393.

The product of its digits is 3674160, while the sum is 53.

The square root of 3661959743 is about 60514.1284577412. The cubic root of 3661959743 is about 1541.3615527913.

The spelling of 3661959743 in words is "three billion, six hundred sixty-one million, nine hundred fifty-nine thousand, seven hundred forty-three".