19730472652 has 24 divisors (see below), whose sum is σ = 37670850000. Its totient is φ = 8967543360.

The previous prime is 19730472649. The next prime is 19730472673. The reversal of 19730472652 is 25627403791.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 812998 + ... + 836914.

It is an arithmetic number, because the mean of its divisors is an integer number (1569618750).

Almost surely, 2^19730472652 is an apocalyptic number.

It is an amenable number.

19730472652 is a deficient number, since it is larger than the sum of its proper divisors (17940377348).

19730472652 is a wasteful number, since it uses less digits than its factorization.

19730472652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42681 (or 42679 counting only the distinct ones).

The product of its (nonzero) digits is 635040, while the sum is 46.

The spelling of 19730472652 in words is "nineteen billion, seven hundred thirty million, four hundred seventy-two thousand, six hundred fifty-two".