19028927911 has 8 divisors (see below), whose sum is σ = 21754503200. Its totient is φ = 16305141888.

The previous prime is 19028927903. The next prime is 19028927933. The reversal of 19028927911 is 11972982091.

It is a happy number.

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

It is not a de Polignac number, because 19028927911 - 2³ = 19028927903 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19028927311) 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 7 ways as a sum of consecutive naturals, for example, 424446 + ... + 467131.

It is an arithmetic number, because the mean of its divisors is an integer number (2719312900).

Almost surely, 2^19028927911 is an apocalyptic number.

19028927911 is a deficient number, since it is larger than the sum of its proper divisors (2725575289).

19028927911 is an equidigital number, since it uses as much as digits as its factorization.

19028927911 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 894633.

The product of its (nonzero) digits is 163296, while the sum is 49.

The spelling of 19028927911 in words is "nineteen billion, twenty-eight million, nine hundred twenty-seven thousand, nine hundred eleven".