19753088642 has 24 divisors (see below), whose sum is σ = 34473698496. Its totient is φ = 8463994728.

The previous prime is 19753088639. The next prime is 19753088651. The reversal of 19753088642 is 24688035791.

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 11 ways as a sum of consecutive naturals, for example, 597683 + ... + 629865.

It is an arithmetic number, because the mean of its divisors is an integer number (1436404104).

It is a 2-persistent number, because it is pandigital, and so is 2⋅19753088642 = 39506177284, but 3⋅19753088642 = 59259265926 is not.

Almost surely, 2^19753088642 is an apocalyptic number.

19753088642 is a deficient number, since it is larger than the sum of its proper divisors (14720609854).

19753088642 is a wasteful number, since it uses less digits than its factorization.

19753088642 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 38462 (or 38455 counting only the distinct ones).

The product of its (nonzero) digits is 2903040, while the sum is 53.

The spelling of 19753088642 in words is "nineteen billion, seven hundred fifty-three million, eighty-eight thousand, six hundred forty-two".