3961895311 has 8 divisors (see below), whose sum is σ = 4336822224. Its totient is φ = 3589427520.

The previous prime is 3961895279. The next prime is 3961895323. The reversal of 3961895311 is 1135981693.

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 3961895311 - 2⁵ = 3961895279 is a prime.

It is a super-2 number, since 2×3961895311² = 31393228910647573442, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3961895111) 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, 611406 + ... + 617851.

It is an arithmetic number, because the mean of its divisors is an integer number (542102778).

Almost surely, 2^3961895311 is an apocalyptic number.

3961895311 is a deficient number, since it is larger than the sum of its proper divisors (374926913).

3961895311 is a wasteful number, since it uses less digits than its factorization.

3961895311 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1229561.

The product of its digits is 174960, while the sum is 46.

The square root of 3961895311 is about 62943.5883231962. The cubic root of 3961895311 is about 1582.3443421673.

The spelling of 3961895311 in words is "three billion, nine hundred sixty-one million, eight hundred ninety-five thousand, three hundred eleven".