19714281552 has 400 divisors, whose sum is σ = 67543926912. Its totient is φ = 5434490880.

The previous prime is 19714281541. The next prime is 19714281583. The reversal of 19714281552 is 25518241791.

19714281552 is a `hidden beast` number, since 1 + 9 + 7 + 14 + 2 + 81 + 552 = 666.

It is a super-2 number, since 2×19714281552² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19714281498 and 19714281507.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 37839052 + ... + 37839572.

Almost surely, 2^19714281552 is an apocalyptic number.

19714281552 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 19714281552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33771963456).

19714281552 is an abundant number, since it is smaller than the sum of its proper divisors (47829645360).

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

19714281552 is a wasteful number, since it uses less digits than its factorization.

19714281552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 688 (or 673 counting only the distinct ones).

The product of its digits is 201600, while the sum is 45.

The spelling of 19714281552 in words is "nineteen billion, seven hundred fourteen million, two hundred eighty-one thousand, five hundred fifty-two".