19425928704 has 320 divisors, whose sum is σ = 65071835136. Its totient is φ = 5012619264.

The previous prime is 19425928651. The next prime is 19425928723. The reversal of 19425928704 is 40782952491.

It is a super-2 number, since 2×19425928704² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

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, 6567994 + ... + 6570950.

Almost surely, 2^19425928704 is an apocalyptic number.

19425928704 is a gapful number since it is divisible by the number (14) 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 19425928704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (32535917568).

19425928704 is an abundant number, since it is smaller than the sum of its proper divisors (45645906432).

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

19425928704 is a wasteful number, since it uses less digits than its factorization.

19425928704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3045 (or 3029 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 51.

The spelling of 19425928704 in words is "nineteen billion, four hundred twenty-five million, nine hundred twenty-eight thousand, seven hundred four".