19838590088 has 16 divisors (see below), whose sum is σ = 37544996880. Its totient is φ = 9826590928.

The previous prime is 19838590087. The next prime is 19838590103. The reversal of 19838590088 is 88009583891.

It is not an unprimeable number, because it can be changed into a prime (19838590081) by changing a digit.

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, 11587106 + ... + 11588817.

It is an arithmetic number, because the mean of its divisors is an integer number (2346562305).

Almost surely, 2^19838590088 is an apocalyptic number.

It is an amenable number.

19838590088 is a deficient number, since it is larger than the sum of its proper divisors (17706406792).

19838590088 is a wasteful number, since it uses less digits than its factorization.

19838590088 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23176036 (or 23176032 counting only the distinct ones).

The product of its (nonzero) digits is 4976640, while the sum is 59.

The spelling of 19838590088 in words is "nineteen billion, eight hundred thirty-eight million, five hundred ninety thousand, eighty-eight".