3961186601 has 4 divisors (see below), whose sum is σ = 3963971712. Its totient is φ = 3958401492.

The previous prime is 3961186597. The next prime is 3961186639. The reversal of 3961186601 is 1066811693.

3961186601 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 1066811693 = 17 ⋅62753629.

It is a cyclic number.

It is not a de Polignac number, because 3961186601 - 2² = 3961186597 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (3961186501) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1390421 + ... + 1393266.

It is an arithmetic number, because the mean of its divisors is an integer number (990992928).

Almost surely, 2^3961186601 is an apocalyptic number.

It is an amenable number.

3961186601 is a deficient number, since it is larger than the sum of its proper divisors (2785111).

3961186601 is a wasteful number, since it uses less digits than its factorization.

3961186601 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2785110.

The product of its (nonzero) digits is 46656, while the sum is 41.

The square root of 3961186601 is about 62937.9583478841. The cubic root of 3961186601 is about 1582.2499858012.

The spelling of 3961186601 in words is "three billion, nine hundred sixty-one million, one hundred eighty-six thousand, six hundred one".