19249376344 has 128 divisors (see below), whose sum is σ = 42355353600. Its totient is φ = 8118144000.

The previous prime is 19249376327. The next prime is 19249376359. The reversal of 19249376344 is 44367394291.

It is a junction number, because it is equal to n+sod(n) for n = 19249376291 and 19249376300.

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, 6597574 + ... + 6600490.

It is an arithmetic number, because the mean of its divisors is an integer number (330901200).

Almost surely, 2^19249376344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19249376344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21177676800).

19249376344 is an abundant number, since it is smaller than the sum of its proper divisors (23105977256).

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

19249376344 is a wasteful number, since it uses less digits than its factorization.

19249376344 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065 (or 3061 counting only the distinct ones).

The product of its digits is 3919104, while the sum is 52.

It can be divided in two parts, 19249 and 376344, that added together give a palindrome (395593).

The spelling of 19249376344 in words is "nineteen billion, two hundred forty-nine million, three hundred seventy-six thousand, three hundred forty-four".