19773648314 has 16 divisors (see below), whose sum is σ = 33900099648. Its totient is φ = 8473816512.

The previous prime is 19773648269. The next prime is 19773648359. The reversal of 19773648314 is 41384637791.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (19773648269) and next prime (19773648359).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 193874 + ... + 277730.

It is an arithmetic number, because the mean of its divisors is an integer number (2118756228).

Almost surely, 2^19773648314 is an apocalyptic number.

19773648314 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

19773648314 is a deficient number, since it is larger than the sum of its proper divisors (14126451334).

19773648314 is a wasteful number, since it uses less digits than its factorization.

19773648314 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100709.

The product of its digits is 3048192, while the sum is 53.

The spelling of 19773648314 in words is "nineteen billion, seven hundred seventy-three million, six hundred forty-eight thousand, three hundred fourteen".