19755118076929 has 9 divisors (see below), whose sum is σ = 19941950914977. Its totient is φ = 19570019669844.

The previous prime is 19755118076891. The next prime is 19755118076999. The reversal of 19755118076929 is 92967081155791.

The square root of 19755118076929 is 4444673.

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

It is not a de Polignac number, because 19755118076929 - 2¹³ = 19755118068737 is a prime.

It is a super-3 number, since 3×19755118076929³ (a number of 41 digits) contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (19755118076999) by changing a digit.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 475559242 + ... + 475600780.

Almost surely, 2^{19755118076929} is an apocalyptic number.

19755118076929 is the 4444673-rd square number.

19755118076929 is the 2222337-th centered octagonal number.

It is an amenable number.

19755118076929 is a deficient number, since it is larger than the sum of its proper divisors (186832838048).

19755118076929 is an frugal number, since it uses more digits than its factorization.

19755118076929 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83292 (or 41646 counting only the distinct ones).

The product of its (nonzero) digits is 85730400, while the sum is 70.

The spelling of 19755118076929 in words is "nineteen trillion, seven hundred fifty-five billion, one hundred eighteen million, seventy-six thousand, nine hundred twenty-nine".