19759040073 has 16 divisors (see below), whose sum is σ = 29541212800. Its totient is φ = 13051841040.

The previous prime is 19759040047. The next prime is 19759040083. The reversal of 19759040073 is 37004095791.

19759040073 is a `hidden beast` number, since 1 + 97 + 5 + 90 + 400 + 73 = 666.

It is not a de Polignac number, because 19759040073 - 2¹⁰ = 19759039049 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19759040083) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3354013 + ... + 3359898.

It is an arithmetic number, because the mean of its divisors is an integer number (1846325800).

Almost surely, 2^19759040073 is an apocalyptic number.

It is an amenable number.

19759040073 is a deficient number, since it is larger than the sum of its proper divisors (9782172727).

19759040073 is a wasteful number, since it uses less digits than its factorization.

19759040073 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6714029 (or 6714023 counting only the distinct ones).

The product of its (nonzero) digits is 238140, while the sum is 45.

The spelling of 19759040073 in words is "nineteen billion, seven hundred fifty-nine million, forty thousand, seventy-three".