19754138229 has 32 divisors (see below), whose sum is σ = 30638776320. Its totient is φ = 11087798400.

The previous prime is 19754138219. The next prime is 19754138237. The reversal of 19754138229 is 92283145791.

It is not a de Polignac number, because 19754138229 - 2¹² = 19754134133 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19754138219) 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 31 ways as a sum of consecutive naturals, for example, 379617 + ... + 428505.

It is an arithmetic number, because the mean of its divisors is an integer number (957461760).

Almost surely, 2^19754138229 is an apocalyptic number.

It is an amenable number.

19754138229 is a deficient number, since it is larger than the sum of its proper divisors (10884638091).

19754138229 is a wasteful number, since it uses less digits than its factorization.

19754138229 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49241.

The product of its digits is 1088640, while the sum is 51.

The spelling of 19754138229 in words is "nineteen billion, seven hundred fifty-four million, one hundred thirty-eight thousand, two hundred twenty-nine".