19148000618 has 32 divisors (see below), whose sum is σ = 30535059456. Its totient is φ = 8986375728.

The previous prime is 19148000617. The next prime is 19148000621. The reversal of 19148000618 is 81600084191.

It is not an unprimeable number, because it can be changed into a prime (19148000617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 798755 + ... + 822377.

It is an arithmetic number, because the mean of its divisors is an integer number (954220608).

Almost surely, 2^19148000618 is an apocalyptic number.

19148000618 is a deficient number, since it is larger than the sum of its proper divisors (11387058838).

19148000618 is a wasteful number, since it uses less digits than its factorization.

19148000618 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23978.

The product of its (nonzero) digits is 13824, while the sum is 38.

The spelling of 19148000618 in words is "nineteen billion, one hundred forty-eight million, six hundred eighteen", and thus it is an aban number.