4195943691 has 8 divisors (see below), whose sum is σ = 5595117264. Its totient is φ = 2797032960.

The previous prime is 4195943627. The next prime is 4195943699. The reversal of 4195943691 is 1963495914.

4195943691 is digitally balanced in base 3, 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 4195943691 - 2⁶ = 4195943627 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4195943699) 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, 24826 + ... + 94911.

It is an arithmetic number, because the mean of its divisors is an integer number (699389658).

Almost surely, 2^4195943691 is an apocalyptic number.

4195943691 is a deficient number, since it is larger than the sum of its proper divisors (1399173573).

4195943691 is a wasteful number, since it uses less digits than its factorization.

4195943691 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 131421.

The product of its digits is 1049760, while the sum is 51.

The square root of 4195943691 is about 64776.1043209608. The cubic root of 4195943691 is about 1612.9090687899.

The spelling of 4195943691 in words is "four billion, one hundred ninety-five million, nine hundred forty-three thousand, six hundred ninety-one".