4005516091 has 4 divisors (see below), whose sum is σ = 4098667672. Its totient is φ = 3912364512.

The previous prime is 4005516083. The next prime is 4005516121. The reversal of 4005516091 is 1906155004.

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 4005516091 - 2³ = 4005516083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4005556091) 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, 46575726 + ... + 46575811.

It is an arithmetic number, because the mean of its divisors is an integer number (1024666918).

Almost surely, 2^4005516091 is an apocalyptic number.

4005516091 is a deficient number, since it is larger than the sum of its proper divisors (93151581).

4005516091 is an equidigital number, since it uses as much as digits as its factorization.

4005516091 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 93151580.

The product of its (nonzero) digits is 5400, while the sum is 31.

The square root of 4005516091 is about 63289.1467077887. The cubic root of 4005516091 is about 1588.1304041944.

The spelling of 4005516091 in words is "four billion, five million, five hundred sixteen thousand, ninety-one".