19675739760 has 40 divisors (see below), whose sum is σ = 60994794000. Its totient is φ = 5246863872.

The previous prime is 19675739747. The next prime is 19675739761. The reversal of 19675739760 is 6793757691.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (60).

It is a junction number, because it is equal to n+sod(n) for n = 19675739694 and 19675739703.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19675739761) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 40990885 + ... + 40991364.

It is an arithmetic number, because the mean of its divisors is an integer number (1524869850).

Almost surely, 2^19675739760 is an apocalyptic number.

19675739760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19675739760 is an abundant number, since it is smaller than the sum of its proper divisors (41319054240).

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

19675739760 is a wasteful number, since it uses less digits than its factorization.

19675739760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81982265 (or 81982259 counting only the distinct ones).

The product of its (nonzero) digits is 15002820, while the sum is 60.

The spelling of 19675739760 in words is "nineteen billion, six hundred seventy-five million, seven hundred thirty-nine thousand, seven hundred sixty".