12953488181 has 8 divisors (see below), whose sum is σ = 13716632664. Its totient is φ = 12190474240.

The previous prime is 12953488153. The next prime is 12953488183. The reversal of 12953488181 is 18188435921.

It can be written as a sum of positive squares in 4 ways, for example, as 2424676081 + 10528812100 = 49241^2 + 102610^2 .

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

It is not a de Polignac number, because 12953488181 - 2⁶ = 12953488117 is a prime.

It is a super-3 number, since 3×12953488181³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (12953488183) 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, 233951 + ... + 283971.

It is an arithmetic number, because the mean of its divisors is an integer number (1714579083).

Almost surely, 2^12953488181 is an apocalyptic number.

It is an amenable number.

12953488181 is a deficient number, since it is larger than the sum of its proper divisors (763144483).

12953488181 is a wasteful number, since it uses less digits than its factorization.

12953488181 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 65271.

The product of its digits is 552960, while the sum is 50.

The spelling of 12953488181 in words is "twelve billion, nine hundred fifty-three million, four hundred eighty-eight thousand, one hundred eighty-one".