19627476982 has 4 divisors (see below), whose sum is σ = 29441215476. Its totient is φ = 9813738490.

The previous prime is 19627476977. The next prime is 19627477013. The reversal of 19627476982 is 28967472691.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 28967472691 = 2351 ⋅12321341.

It is a self number, because there is not a number n which added to its sum of digits gives 19627476982.

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 as a sum of consecutive naturals, namely, 4906869244 + ... + 4906869247.

It is an arithmetic number, because the mean of its divisors is an integer number (7360303869).

Almost surely, 2^19627476982 is an apocalyptic number.

19627476982 is a deficient number, since it is larger than the sum of its proper divisors (9813738494).

19627476982 is an equidigital number, since it uses as much as digits as its factorization.

19627476982 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9813738493.

The product of its digits is 18289152, while the sum is 61.

The spelling of 19627476982 in words is "nineteen billion, six hundred twenty-seven million, four hundred seventy-six thousand, nine hundred eighty-two".