18652741729924 has 27 divisors (see below), whose sum is σ = 32723475900087. Its totient is φ = 9303234614088.

The previous prime is 18652741729877. The next prime is 18652741729933. The reversal of 18652741729924 is 42992714725681.

The square root of 18652741729924 is 4318882.

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

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18652741729924.

It is an unprimeable number.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 3791975937 + ... + 3791980855.

Almost surely, 2^{18652741729924} is an apocalyptic number.

18652741729924 is the 4318882-nd square number.

It is an amenable number.

18652741729924 is a deficient number, since it is larger than the sum of its proper divisors (14070734170163).

18652741729924 is an frugal number, since it uses more digits than its factorization.

18652741729924 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10720 (or 5360 counting only the distinct ones).

The product of its digits is 121927680, while the sum is 67.

The spelling of 18652741729924 in words is "eighteen trillion, six hundred fifty-two billion, seven hundred forty-one million, seven hundred twenty-nine thousand, nine hundred twenty-four".