19429211384 has 16 divisors (see below), whose sum is σ = 39741568920. Its totient is φ = 8831459680.

The previous prime is 19429211359. The next prime is 19429211407. The reversal of 19429211384 is 48311292491.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 110393159 + ... + 110393334.

Almost surely, 2^19429211384 is an apocalyptic number.

It is an amenable number.

19429211384 is an abundant number, since it is smaller than the sum of its proper divisors (20312357536).

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

19429211384 is a wasteful number, since it uses less digits than its factorization.

19429211384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220786510 (or 220786506 counting only the distinct ones).

The product of its digits is 124416, while the sum is 44.

The spelling of 19429211384 in words is "nineteen billion, four hundred twenty-nine million, two hundred eleven thousand, three hundred eighty-four".