19680451135 has 8 divisors (see below), whose sum is σ = 23617529136. Its totient is φ = 15743702400.

The previous prime is 19680451117. The next prime is 19680451157. The reversal of 19680451135 is 53115408691.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 19680451135 - 2¹⁷ = 19680320063 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 19680451091 and 19680451100.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 77335 + ... + 212935.

It is an arithmetic number, because the mean of its divisors is an integer number (2952191142).

Almost surely, 2^19680451135 is an apocalyptic number.

19680451135 is a deficient number, since it is larger than the sum of its proper divisors (3937078001).

19680451135 is a wasteful number, since it uses less digits than its factorization.

19680451135 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 164633.

The product of its (nonzero) digits is 129600, while the sum is 43.

The spelling of 19680451135 in words is "nineteen billion, six hundred eighty million, four hundred fifty-one thousand, one hundred thirty-five".