19740196273 has 16 divisors (see below), whose sum is σ = 22791248896. Its totient is φ = 16747074000.

The previous prime is 19740196253. The next prime is 19740196279. The reversal of 19740196273 is 37269104791.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19740196273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19740196279) by changing a digit.

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 in 15 ways as a sum of consecutive naturals, for example, 1616890 + ... + 1629052.

It is an arithmetic number, because the mean of its divisors is an integer number (1424453056).

Almost surely, 2^19740196273 is an apocalyptic number.

It is an amenable number.

19740196273 is a deficient number, since it is larger than the sum of its proper divisors (3051052623).

19740196273 is a wasteful number, since it uses less digits than its factorization.

19740196273 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14524.

The product of its (nonzero) digits is 571536, while the sum is 49.

The spelling of 19740196273 in words is "nineteen billion, seven hundred forty million, one hundred ninety-six thousand, two hundred seventy-three".