19982699976 has 32 divisors (see below), whose sum is σ = 49970756160. Its totient is φ = 6659032512.

The previous prime is 19982699959. The next prime is 19982699987. The reversal of 19982699976 is 67999628991.

It is a junction number, because it is equal to n+sod(n) for n = 19982699898 and 19982699907.

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, 27955 + ... + 201858.

It is an arithmetic number, because the mean of its divisors is an integer number (1561586130).

Almost surely, 2^19982699976 is an apocalyptic number.

It is an amenable number.

19982699976 is an abundant number, since it is smaller than the sum of its proper divisors (29988056184).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19982699976 is a wasteful number, since it uses less digits than its factorization.

19982699976 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 233445 (or 233441 counting only the distinct ones).

The product of its digits is 238085568, while the sum is 75.

The spelling of 19982699976 in words is "nineteen billion, nine hundred eighty-two million, six hundred ninety-nine thousand, nine hundred seventy-six".