19105528870 has 16 divisors (see below), whose sum is σ = 34397275968. Its totient is φ = 7640584000.

The previous prime is 19105528847. The next prime is 19105528903. The reversal of 19105528870 is 7882550191.

It is a self number, because there is not a number n which added to its sum of digits gives 19105528870.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 153559 + ... + 248578.

It is an arithmetic number, because the mean of its divisors is an integer number (2149829748).

Almost surely, 2^19105528870 is an apocalyptic number.

19105528870 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19105528870 is a deficient number, since it is larger than the sum of its proper divisors (15291747098).

19105528870 is a wasteful number, since it uses less digits than its factorization.

19105528870 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 406895.

The product of its (nonzero) digits is 201600, while the sum is 46.

The spelling of 19105528870 in words is "nineteen billion, one hundred five million, five hundred twenty-eight thousand, eight hundred seventy".