4091290918 has 36 divisors (see below), whose sum is σ = 7256359188. Its totient is φ = 1714989120.

The previous prime is 4091290909. The next prime is 4091290927. The reversal of 4091290918 is 8190921904.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4091290909) and next prime (4091290927).

It is a super-2 number, since 2×4091290918² = 33477322751418565448, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 3899658 + ... + 3900706.

It is an arithmetic number, because the mean of its divisors is an integer number (201565533).

Almost surely, 2^4091290918 is an apocalyptic number.

4091290918 is a deficient number, since it is larger than the sum of its proper divisors (3165068270).

4091290918 is a wasteful number, since it uses less digits than its factorization.

4091290918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2137 (or 1075 counting only the distinct ones).

The product of its (nonzero) digits is 46656, while the sum is 43.

The square root of 4091290918 is about 63963.1997167121. The cubic root of 4091290918 is about 1599.3866031515.

The spelling of 4091290918 in words is "four billion, ninety-one million, two hundred ninety thousand, nine hundred eighteen".