19754138230 has 16 divisors (see below), whose sum is σ = 35816994720. Its totient is φ = 7843978432.

The previous prime is 19754138219. The next prime is 19754138237. The reversal of 19754138230 is 3283145791.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19754138237) 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 7 ways as a sum of consecutive naturals, for example, 7208170 + ... + 7210909.

It is an arithmetic number, because the mean of its divisors is an integer number (2238562170).

Almost surely, 2^19754138230 is an apocalyptic number.

19754138230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19754138230 is a deficient number, since it is larger than the sum of its proper divisors (16062856490).

19754138230 is a wasteful number, since it uses less digits than its factorization.

19754138230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14419223.

The product of its (nonzero) digits is 181440, while the sum is 43.

The spelling of 19754138230 in words is "nineteen billion, seven hundred fifty-four million, one hundred thirty-eight thousand, two hundred thirty".