4095912991 has 4 divisors (see below), whose sum is σ = 4237151400. Its totient is φ = 3954674584.

The previous prime is 4095912959. The next prime is 4095913021. The reversal of 4095912991 is 1992195904.

4095912991 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 4095912991 - 2⁵ = 4095912959 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4095912791) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 70619161 + ... + 70619218.

It is an arithmetic number, because the mean of its divisors is an integer number (1059287850).

Almost surely, 2^4095912991 is an apocalyptic number.

4095912991 is a deficient number, since it is larger than the sum of its proper divisors (141238409).

4095912991 is a wasteful number, since it uses less digits than its factorization.

4095912991 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 141238408.

The product of its (nonzero) digits is 262440, while the sum is 49.

The square root of 4095912991 is about 63999.3202385775. The cubic root of 4095912991 is about 1599.9886706229.

The spelling of 4095912991 in words is "four billion, ninety-five million, nine hundred twelve thousand, nine hundred ninety-one".