19488680079 has 32 divisors (see below), whose sum is σ = 29598877440. Its totient is φ = 11297395200.

The previous prime is 19488680063. The next prime is 19488680093. The reversal of 19488680079 is 97008688491.

It is not a de Polignac number, because 19488680079 - 2⁴ = 19488680063 is a prime.

It is a super-2 number, since 2×19488680079² (a number of 21 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19488680039) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 7239 + ... + 197559.

It is an arithmetic number, because the mean of its divisors is an integer number (924964920).

Almost surely, 2^19488680079 is an apocalyptic number.

19488680079 is a deficient number, since it is larger than the sum of its proper divisors (10110197361).

19488680079 is a wasteful number, since it uses less digits than its factorization.

19488680079 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 190471.

The product of its (nonzero) digits is 6967296, while the sum is 60.

The spelling of 19488680079 in words is "nineteen billion, four hundred eighty-eight million, six hundred eighty thousand, seventy-nine".