4081622618 has 8 divisors (see below), whose sum is σ = 6159095712. Its totient is φ = 2028590716.

The previous prime is 4081622609. The next prime is 4081622627. The reversal of 4081622618 is 8162261804.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (4081622609) and next prime (4081622627).

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 6109880 + ... + 6110547.

It is an arithmetic number, because the mean of its divisors is an integer number (769886964).

Almost surely, 2^4081622618 is an apocalyptic number.

4081622618 is a deficient number, since it is larger than the sum of its proper divisors (2077473094).

4081622618 is a wasteful number, since it uses less digits than its factorization.

4081622618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12220596.

The product of its (nonzero) digits is 36864, while the sum is 38.

The square root of 4081622618 is about 63887.5779631690. The cubic root of 4081622618 is about 1598.1257504021.

The spelling of 4081622618 in words is "four billion, eighty-one million, six hundred twenty-two thousand, six hundred eighteen".