4091543811 has 6 divisors (see below), whose sum is σ = 5910007740. Its totient is φ = 2727695868.

The previous prime is 4091543803. The next prime is 4091543831. The reversal of 4091543811 is 1183451904.

It is not a de Polignac number, because 4091543811 - 2³ = 4091543803 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4091543801) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227307981 + ... + 227307998.

It is an arithmetic number, because the mean of its divisors is an integer number (985001290).

Almost surely, 2^4091543811 is an apocalyptic number.

4091543811 is a deficient number, since it is larger than the sum of its proper divisors (1818463929).

4091543811 is a wasteful number, since it uses less digits than its factorization.

4091543811 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454615985 (or 454615982 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 36.

The square root of 4091543811 is about 63965.1765494320. The cubic root of 4091543811 is about 1599.4195565111.

The spelling of 4091543811 in words is "four billion, ninety-one million, five hundred forty-three thousand, eight hundred eleven".