19051429920 has 192 divisors, whose sum is σ = 62738323200. Its totient is φ = 4850413568.

The previous prime is 19051429877. The next prime is 19051429997. The reversal of 19051429920 is 2992415091.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 7472806 + ... + 7475354.

It is an arithmetic number, because the mean of its divisors is an integer number (326762100).

Almost surely, 2^19051429920 is an apocalyptic number.

19051429920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 19051429920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31369161600).

19051429920 is an abundant number, since it is smaller than the sum of its proper divisors (43686893280).

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

19051429920 is a wasteful number, since it uses less digits than its factorization.

19051429920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3267 (or 3259 counting only the distinct ones).

The product of its (nonzero) digits is 58320, while the sum is 42.

The spelling of 19051429920 in words is "nineteen billion, fifty-one million, four hundred twenty-nine thousand, nine hundred twenty".