3961713291 has 8 divisors (see below), whose sum is σ = 5288480400. Its totient is φ = 2638044192.

The previous prime is 3961713289. The next prime is 3961713299. The reversal of 3961713291 is 1923171693.

3961713291 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 not a de Polignac number, because 3961713291 - 2¹ = 3961713289 is a prime.

It is not an unprimeable number, because it can be changed into a prime (3961713299) 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, 771516 + ... + 776633.

It is an arithmetic number, because the mean of its divisors is an integer number (661060050).

Almost surely, 2^3961713291 is an apocalyptic number.

3961713291 is a deficient number, since it is larger than the sum of its proper divisors (1326767109).

3961713291 is a wasteful number, since it uses less digits than its factorization.

3961713291 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1549005.

The product of its digits is 61236, while the sum is 42.

The square root of 3961713291 is about 62942.1424087233. The cubic root of 3961713291 is about 1582.3201094280.

The spelling of 3961713291 in words is "three billion, nine hundred sixty-one million, seven hundred thirteen thousand, two hundred ninety-one".