19063713623 has 12 divisors (see below), whose sum is σ = 20256061392. Its totient is φ = 17937899520.

The previous prime is 19063713619. The next prime is 19063713659. The reversal of 19063713623 is 32631736091.

It is not a de Polignac number, because 19063713623 - 2² = 19063713619 is a prime.

It is a super-2 number, since 2×19063713623² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19063703623) 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 11 ways as a sum of consecutive naturals, for example, 2289638 + ... + 2297948.

It is an arithmetic number, because the mean of its divisors is an integer number (1688005116).

Almost surely, 2^19063713623 is an apocalyptic number.

19063713623 is a deficient number, since it is larger than the sum of its proper divisors (1192347769).

19063713623 is an equidigital number, since it uses as much as digits as its factorization.

19063713623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16282 (or 16265 counting only the distinct ones).

The product of its (nonzero) digits is 122472, while the sum is 41.

The spelling of 19063713623 in words is "nineteen billion, sixty-three million, seven hundred thirteen thousand, six hundred twenty-three".