3961725266 has 16 divisors (see below), whose sum is σ = 5971861728. Its totient is φ = 1971120000.

The previous prime is 3961725253. The next prime is 3961725277. The reversal of 3961725266 is 6625271693.

It is a super-3 number, since 3×3961725266³ (a number of 30 digits) contains 333 as substring.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 3961725266.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 645026 + ... + 651138.

It is an arithmetic number, because the mean of its divisors is an integer number (373241358).

Almost surely, 2^3961725266 is an apocalyptic number.

3961725266 is a deficient number, since it is larger than the sum of its proper divisors (2010136462).

3961725266 is a wasteful number, since it uses less digits than its factorization.

3961725266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7657.

The product of its digits is 816480, while the sum is 47.

The square root of 3961725266 is about 62942.2375356962. The cubic root of 3961725266 is about 1582.3217037100.

The spelling of 3961725266 in words is "three billion, nine hundred sixty-one million, seven hundred twenty-five thousand, two hundred sixty-six".