19974708741 has 64 divisors (see below), whose sum is σ = 30656683008. Its totient is φ = 11482518528.

The previous prime is 19974708737. The next prime is 19974708749. The reversal of 19974708741 is 14780747991.

It is not a de Polignac number, because 19974708741 - 2² = 19974708737 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19974708749) by changing a digit.

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 in 63 ways as a sum of consecutive naturals, for example, 3591735 + ... + 3597291.

It is an arithmetic number, because the mean of its divisors is an integer number (479010672).

Almost surely, 2^19974708741 is an apocalyptic number.

It is an amenable number.

19974708741 is a deficient number, since it is larger than the sum of its proper divisors (10681974267).

19974708741 is a wasteful number, since it uses less digits than its factorization.

19974708741 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5710.

The product of its (nonzero) digits is 3556224, while the sum is 57.

The spelling of 19974708741 in words is "nineteen billion, nine hundred seventy-four million, seven hundred eight thousand, seven hundred forty-one".