19746064760 has 16 divisors (see below), whose sum is σ = 44428645800. Its totient is φ = 7898425888.

The previous prime is 19746064759. The next prime is 19746064777. The reversal of 19746064760 is 6746064791.

It is a happy number.

It is a super-2 number, since 2×19746064760² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 19746064699 and 19746064708.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 246825770 + ... + 246825849.

Almost surely, 2^19746064760 is an apocalyptic number.

19746064760 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

19746064760 is an abundant number, since it is smaller than the sum of its proper divisors (24682581040).

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

19746064760 is a wasteful number, since it uses less digits than its factorization.

19746064760 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 493651630 (or 493651626 counting only the distinct ones).

The product of its (nonzero) digits is 1524096, while the sum is 50.

The spelling of 19746064760 in words is "nineteen billion, seven hundred forty-six million, sixty-four thousand, seven hundred sixty".