19869557230 has 32 divisors (see below), whose sum is σ = 37724434560. Its totient is φ = 7514146080.

The previous prime is 19869557221. The next prime is 19869557237. The reversal of 19869557230 is 3275596891.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19869557237) 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, 13204 + ... + 199783.

It is an arithmetic number, because the mean of its divisors is an integer number (1178888580).

Almost surely, 2^19869557230 is an apocalyptic number.

19869557230 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19869557230 is a deficient number, since it is larger than the sum of its proper divisors (17854877330).

19869557230 is a wasteful number, since it uses less digits than its factorization.

19869557230 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213504.

The product of its (nonzero) digits is 4082400, while the sum is 55.

The spelling of 19869557230 in words is "nineteen billion, eight hundred sixty-nine million, five hundred fifty-seven thousand, two hundred thirty".