19216826334 has 48 divisors (see below), whose sum is σ = 42750659952. Its totient is φ = 6235213824.

The previous prime is 19216826327. The next prime is 19216826353. The reversal of 19216826334 is 43362861291.

19216826334 is a `hidden beast` number, since 1 + 9 + 2 + 1 + 6 + 8 + 2 + 633 + 4 = 666.

It is a super-2 number, since 2×19216826334² (a number of 21 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 19216826334.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 184414 + ... + 269150.

It is an arithmetic number, because the mean of its divisors is an integer number (890638749).

Almost surely, 2^19216826334 is an apocalyptic number.

19216826334 is an abundant number, since it is smaller than the sum of its proper divisors (23533833618).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19216826334 is a wasteful number, since it uses less digits than its factorization.

19216826334 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85081 (or 85078 counting only the distinct ones).

The product of its digits is 373248, while the sum is 45.

The spelling of 19216826334 in words is "nineteen billion, two hundred sixteen million, eight hundred twenty-six thousand, three hundred thirty-four".