19741947244 has 6 divisors (see below), whose sum is σ = 34548407684. Its totient is φ = 9870973620.

The previous prime is 19741947233. The next prime is 19741947307. The reversal of 19741947244 is 44274914791.

It is a junction number, because it is equal to n+sod(n) for n = 19741947191 and 19741947200.

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, 2467743402 + ... + 2467743409.

Almost surely, 2^19741947244 is an apocalyptic number.

It is an amenable number.

19741947244 is a deficient number, since it is larger than the sum of its proper divisors (14806460440).

19741947244 is a wasteful number, since it uses less digits than its factorization.

19741947244 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4935486815 (or 4935486813 counting only the distinct ones).

The product of its digits is 2032128, while the sum is 52.

The spelling of 19741947244 in words is "nineteen billion, seven hundred forty-one million, nine hundred forty-seven thousand, two hundred forty-four".