19743060100 has 27 divisors (see below), whose sum is σ = 42845489701. Its totient is φ = 7896662000.

The previous prime is 19743060097. The next prime is 19743060131. The reversal of 19743060100 is 106034791.

It is a happy number.

The square root of 19743060100 is 140510.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 7107501636 + 12635558464 = 84306^2 + 112408^2 .

It is a super-2 number, since 2×19743060100² (a number of 21 digits) contains 22 as substring.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1398075 + ... + 1412125.

Almost surely, 2^19743060100 is an apocalyptic number.

19743060100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

19743060100 is the 140510-th square number.

It is an amenable number.

19743060100 is an abundant number, since it is smaller than the sum of its proper divisors (23102429601).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

19743060100 is an frugal number, since it uses more digits than its factorization.

19743060100 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28116 (or 14058 counting only the distinct ones).

The product of its (nonzero) digits is 4536, while the sum is 31.

Adding to 19743060100 its reverse (106034791), we get a palindrome (19849094891).

The spelling of 19743060100 in words is "nineteen billion, seven hundred forty-three million, sixty thousand, one hundred".