19051312606 has 24 divisors (see below), whose sum is σ = 29762174520. Its totient is φ = 9145659936.

The previous prime is 19051312603. The next prime is 19051312627. The reversal of 19051312606 is 60621315091.

It is a super-2 number, since 2×19051312606² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19051312603) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 269440 + ... + 332716.

It is an arithmetic number, because the mean of its divisors is an integer number (1240090605).

Almost surely, 2^19051312606 is an apocalyptic number.

19051312606 is a deficient number, since it is larger than the sum of its proper divisors (10710861914).

19051312606 is a wasteful number, since it uses less digits than its factorization.

19051312606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63516 (or 63487 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 34.

Adding to 19051312606 its reverse (60621315091), we get a palindrome (79672627697).

The spelling of 19051312606 in words is "nineteen billion, fifty-one million, three hundred twelve thousand, six hundred six".