19680485914 has 8 divisors (see below), whose sum is σ = 31257242388. Its totient is φ = 9261405120.

The previous prime is 19680485837. The next prime is 19680485933. The reversal of 19680485914 is 41958408691.

It can be written as a sum of positive squares in 2 ways, for example, as 19646787889 + 33698025 = 140167^2 + 5805^2 .

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

It is a super-2 number, since 2×19680485914² (a number of 21 digits) contains 22 as substring.

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 3 ways as a sum of consecutive naturals, for example, 289418877 + ... + 289418944.

Almost surely, 2^19680485914 is an apocalyptic number.

19680485914 is a deficient number, since it is larger than the sum of its proper divisors (11576756474).

19680485914 is a wasteful number, since it uses less digits than its factorization.

19680485914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 578837840.

The product of its (nonzero) digits is 2488320, while the sum is 55.

The spelling of 19680485914 in words is "nineteen billion, six hundred eighty million, four hundred eighty-five thousand, nine hundred fourteen".