19968849062 has 4 divisors (see below), whose sum is σ = 29953273596. Its totient is φ = 9984424530.

The previous prime is 19968848981. The next prime is 19968849079. The reversal of 19968849062 is 26094886991.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a junction number, because it is equal to n+sod(n) for n = 19968848986 and 19968849004.

It is a congruent number.

It is an unprimeable number.

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 as a sum of consecutive naturals, namely, 4992212264 + ... + 4992212267.

It is an arithmetic number, because the mean of its divisors is an integer number (7488318399).

Almost surely, 2^19968849062 is an apocalyptic number.

19968849062 is a deficient number, since it is larger than the sum of its proper divisors (9984424534).

19968849062 is an equidigital number, since it uses as much as digits as its factorization.

19968849062 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9984424533.

The product of its (nonzero) digits is 13436928, while the sum is 62.

The spelling of 19968849062 in words is "nineteen billion, nine hundred sixty-eight million, eight hundred forty-nine thousand, sixty-two".