3935211961 has 4 divisors (see below), whose sum is σ = 4142328400. Its totient is φ = 3728095524.

The previous prime is 3935211941. The next prime is 3935211983. The reversal of 3935211961 is 1691125393.

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.

It is a cyclic number.

It is not a de Polignac number, because 3935211961 - 2¹⁷ = 3935080889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (3935211941) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 103558191 + ... + 103558228.

It is an arithmetic number, because the mean of its divisors is an integer number (1035582100).

Almost surely, 2^3935211961 is an apocalyptic number.

It is an amenable number.

3935211961 is a deficient number, since it is larger than the sum of its proper divisors (207116439).

3935211961 is a wasteful number, since it uses less digits than its factorization.

3935211961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 207116438.

The product of its digits is 43740, while the sum is 40.

The square root of 3935211961 is about 62731.2678096019. The cubic root of 3935211961 is about 1578.7839760846.

The spelling of 3935211961 in words is "three billion, nine hundred thirty-five million, two hundred eleven thousand, nine hundred sixty-one".