18529743376 has 15 divisors (see below), whose sum is σ = 35902432783. Its totient is φ = 9264599440.

The previous prime is 18529743361. The next prime is 18529743377. The reversal of 18529743376 is 67334792581.

The square root of 18529743376 is 136124.

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

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18529743377) by changing a digit.

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 2 ways as a sum of consecutive naturals, for example, 527481 + ... + 561511.

Almost surely, 2^18529743376 is an apocalyptic number.

18529743376 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

18529743376 is the 136124-th square number.

It is an amenable number.

18529743376 is a deficient number, since it is larger than the sum of its proper divisors (17372689407).

18529743376 is an frugal number, since it uses more digits than its factorization.

18529743376 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 68070 (or 34033 counting only the distinct ones).

The product of its digits is 7620480, while the sum is 55.

The spelling of 18529743376 in words is "eighteen billion, five hundred twenty-nine million, seven hundred forty-three thousand, three hundred seventy-six".