19026064685 has 32 divisors (see below), whose sum is σ = 23387253120. Its totient is φ = 14855776000.

The previous prime is 19026064661. The next prime is 19026064747. The reversal of 19026064685 is 58646062091.

It is not a de Polignac number, because 19026064685 - 2¹⁸ = 19025802541 is a prime.

It is a super-2 number, since 2×19026064685² (a number of 21 digits) contains 22 as substring.

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 31 ways as a sum of consecutive naturals, for example, 14623535 + ... + 14624835.

It is an arithmetic number, because the mean of its divisors is an integer number (730851660).

Almost surely, 2^19026064685 is an apocalyptic number.

It is an amenable number.

19026064685 is a deficient number, since it is larger than the sum of its proper divisors (4361188435).

19026064685 is a wasteful number, since it uses less digits than its factorization.

19026064685 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1789.

The product of its (nonzero) digits is 622080, while the sum is 47.

The spelling of 19026064685 in words is "nineteen billion, twenty-six million, sixty-four thousand, six hundred eighty-five".