19675497439904 has 24 divisors (see below), whose sum is σ = 39392680259520. Its totient is φ = 9671007215296.

The previous prime is 19675497439891. The next prime is 19675497439919. The reversal of 19675497439904 is 40993479457691.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 5210670104 + ... + 5210673879.

It is an arithmetic number, because the mean of its divisors is an integer number (1641361677480).

Almost surely, 2^{19675497439904} is an apocalyptic number.

It is an amenable number.

19675497439904 is an abundant number, since it is smaller than the sum of its proper divisors (19717182819616).

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

19675497439904 is a wasteful number, since it uses less digits than its factorization.

19675497439904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10421344052 (or 10421344044 counting only the distinct ones).

The product of its (nonzero) digits is 1851776640, while the sum is 77.

The spelling of 19675497439904 in words is "nineteen trillion, six hundred seventy-five billion, four hundred ninety-seven million, four hundred thirty-nine thousand, nine hundred four".