69797854049121 has 45 divisors (see below), whose sum is σ = 114607711033123. Its totient is φ = 42301228456080.

The previous prime is 69797854049111. The next prime is 69797854049123. The reversal of 69797854049121 is 12194045879796.

The square root of 69797854049121 is 8354511.

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

69797854049121 is a `hidden beast` number, since 6 + 9 + 7 + 9 + 78 + 5 + 40 + 491 + 21 = 666.

It can be written as a sum of positive squares in only one way, i.e., 68845004749521 + 952849299600 = 8297289^2 + 976140^2 .

It is not a de Polignac number, because 69797854049121 - 2⁵ = 69797854049089 is a prime.

It is a super-3 number, since 3×69797854049121³ (a number of 43 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 69797854049121.

It is not an unprimeable number, because it can be changed into a prime (69797854049123) by changing a digit.

It is a polite number, since it can be written in 44 ways as a sum of consecutive naturals, for example, 827054395 + ... + 827138783.

Almost surely, 2^{69797854049121} is an apocalyptic number.

69797854049121 is the 8354511-st square number.

69797854049121 is the 4177256-th centered octagonal number.

It is an amenable number.

69797854049121 is a deficient number, since it is larger than the sum of its proper divisors (44809856984002).

69797854049121 is an frugal number, since it uses more digits than its factorization.

69797854049121 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 168812 (or 84403 counting only the distinct ones).

The product of its (nonzero) digits is 274337280, while the sum is 72.

The spelling of 69797854049121 in words is "sixty-nine trillion, seven hundred ninety-seven billion, eight hundred fifty-four million, forty-nine thousand, one hundred twenty-one".