19744294607 has 2 divisors, whose sum is σ = 19744294608. Its totient is φ = 19744294606.

The previous prime is 19744294567. The next prime is 19744294741. The reversal of 19744294607 is 70649244791.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-19744294607 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (19744294007) 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 as a sum of consecutive naturals, namely, 9872147303 + 9872147304.

It is an arithmetic number, because the mean of its divisors is an integer number (9872147304).

Almost surely, 2^19744294607 is an apocalyptic number.

19744294607 is a deficient number, since it is larger than the sum of its proper divisors (1).

19744294607 is an equidigital number, since it uses as much as digits as its factorization.

19744294607 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3048192, while the sum is 53.

The spelling of 19744294607 in words is "nineteen billion, seven hundred forty-four million, two hundred ninety-four thousand, six hundred seven".