4008212091 has 24 divisors (see below), whose sum is σ = 6261798816. Its totient is φ = 2455989120.

The previous prime is 4008212083. The next prime is 4008212129. The reversal of 4008212091 is 1902128004.

It is not a de Polignac number, because 4008212091 - 2³ = 4008212083 is a prime.

It is not an unprimeable number, because it can be changed into a prime (4008212071) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 46255 + ... + 100776.

It is an arithmetic number, because the mean of its divisors is an integer number (260908284).

Almost surely, 2^4008212091 is an apocalyptic number.

4008212091 is a deficient number, since it is larger than the sum of its proper divisors (2253586725).

4008212091 is a wasteful number, since it uses less digits than its factorization.

4008212091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 147283 (or 147280 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 4008212091 is about 63310.4421955810. The cubic root of 4008212091 is about 1588.4866328904.

The spelling of 4008212091 in words is "four billion, eight million, two hundred twelve thousand, ninety-one".