19713374080 has 256 divisors, whose sum is σ = 52856971200. Its totient is φ = 6994132992.

The previous prime is 19713374071. The next prime is 19713374101. The reversal of 19713374080 is 8047331791.

It is a Harshad number since it is a multiple of its sum of digits (43).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 13566634 + ... + 13568086.

Almost surely, 2^19713374080 is an apocalyptic number.

19713374080 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 19713374080, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (26428485600).

19713374080 is an abundant number, since it is smaller than the sum of its proper divisors (33143597120).

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

19713374080 is a wasteful number, since it uses less digits than its factorization.

19713374080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1561 (or 1549 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 43.

The spelling of 19713374080 in words is "nineteen billion, seven hundred thirteen million, three hundred seventy-four thousand, eighty".