273660988961 has 8 divisors (see below), whose sum is σ = 289804161960. Its totient is φ = 257522867968.

The previous prime is 273660988943. The next prime is 273660988969. The reversal of 273660988961 is 169889066372.

It can be written as a sum of positive squares in 4 ways, for example, as 9439288336 + 264221700625 = 97156^2 + 514025^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 273660988961 - 2¹⁰ = 273660987937 is a prime.

It is a super-2 number, since 2×273660988961² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (273660988969) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1151186 + ... + 1368411.

It is an arithmetic number, because the mean of its divisors is an integer number (36225520245).

Almost surely, 2^273660988961 is an apocalyptic number.

It is an amenable number.

273660988961 is a deficient number, since it is larger than the sum of its proper divisors (16143172999).

273660988961 is a wasteful number, since it uses less digits than its factorization.

273660988961 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2526003.

The product of its (nonzero) digits is 47029248, while the sum is 65.

It can be divided in two parts, 273660 and 988961, that added together give a palindrome (1262621).

The spelling of 273660988961 in words is "two hundred seventy-three billion, six hundred sixty million, nine hundred eighty-eight thousand, nine hundred sixty-one".