19029926652 has 96 divisors (see below), whose sum is σ = 49384581120. Its totient is φ = 5654953920.

The previous prime is 19029926651. The next prime is 19029926659. The reversal of 19029926652 is 25662992091.

It is a junction number, because it is equal to n+sod(n) for n = 19029926595 and 19029926604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19029926651) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2002849 + ... + 2012327.

It is an arithmetic number, because the mean of its divisors is an integer number (514422720).

Almost surely, 2^19029926652 is an apocalyptic number.

19029926652 is a gapful number since it is divisible by the number (12) 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 19029926652, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (24692290560).

19029926652 is an abundant number, since it is smaller than the sum of its proper divisors (30354654468).

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

19029926652 is a wasteful number, since it uses less digits than its factorization.

19029926652 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9791 (or 9789 counting only the distinct ones).

The product of its (nonzero) digits is 1049760, while the sum is 51.

Subtracting from 19029926652 its sum of digits (51), we obtain a square (19029926601 = 137949²).

The spelling of 19029926652 in words is "nineteen billion, twenty-nine million, nine hundred twenty-six thousand, six hundred fifty-two".