141917972662489 has 3 divisors (see below), whose sum is σ = 141917984575423. Its totient is φ = 141917960749556.

The previous prime is 141917972662469. The next prime is 141917972662493. The reversal of 141917972662489 is 984266279719141.

The square root of 141917972662489 is 11912933.

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

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in only one way, i.e., 2354275953225 + 139563696709264 = 1534365^2 + 11813708^2 .

It is not a de Polignac number, because 141917972662489 - 2²⁷ = 141917838444761 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (141917972662409) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 5956467 + ... + 17869399.

Almost surely, 2^{141917972662489} is an apocalyptic number.

141917972662489 is the 11912933-rd square number.

141917972662489 is the 5956467-th centered octagonal number.

It is an amenable number.

141917972662489 is a deficient number, since it is larger than the sum of its proper divisors (11912934).

141917972662489 is an frugal number, since it uses more digits than its factorization.

141917972662489 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23825866 (or 11912933 counting only the distinct ones).

The product of its digits is 658409472, while the sum is 76.

The spelling of 141917972662489 in words is "one hundred forty-one trillion, nine hundred seventeen billion, nine hundred seventy-two million, six hundred sixty-two thousand, four hundred eighty-nine".