19678535753 has 16 divisors (see below), whose sum is σ = 20666935296. Its totient is φ = 18701453760.

The previous prime is 19678535717. The next prime is 19678535761. The reversal of 19678535753 is 35753587691.

It is a cyclic number.

It is not a de Polignac number, because 19678535753 - 2¹² = 19678531657 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19678535692 and 19678535701.

It is not an unprimeable number, because it can be changed into a prime (19678531753) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4377575 + ... + 4382067.

It is an arithmetic number, because the mean of its divisors is an integer number (1291683456).

Almost surely, 2^19678535753 is an apocalyptic number.

It is an amenable number.

19678535753 is a deficient number, since it is larger than the sum of its proper divisors (988399543).

19678535753 is a wasteful number, since it uses less digits than its factorization.

19678535753 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5704.

The product of its digits is 23814000, while the sum is 59.

The spelling of 19678535753 in words is "nineteen billion, six hundred seventy-eight million, five hundred thirty-five thousand, seven hundred fifty-three".