19619858006 has 16 divisors (see below), whose sum is σ = 33931691424. Its totient is φ = 8334098304.

The previous prime is 19619857987. The next prime is 19619858009. The reversal of 19619858006 is 60085891691.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19619858009) 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 7 ways as a sum of consecutive naturals, for example, 6199385 + ... + 6202548.

It is an arithmetic number, because the mean of its divisors is an integer number (2120730714).

Almost surely, 2^19619858006 is an apocalyptic number.

19619858006 is a deficient number, since it is larger than the sum of its proper divisors (14311833418).

19619858006 is a wasteful number, since it uses less digits than its factorization.

19619858006 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12402055.

The product of its (nonzero) digits is 933120, while the sum is 53.

The spelling of 19619858006 in words is "nineteen billion, six hundred nineteen million, eight hundred fifty-eight thousand, six".