231674117489 has 2 divisors, whose sum is σ = 231674117490. Its totient is φ = 231674117488.

The previous prime is 231674117453. The next prime is 231674117503. The reversal of 231674117489 is 984711476132.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 162644437264 + 69029680225 = 403292^2 + 262735^2 .

It is a cyclic number.

It is not a de Polignac number, because 231674117489 - 2¹² = 231674113393 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 231674117489.

It is not a weakly prime, because it can be changed into another prime (231674116489) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 115837058744 + 115837058745.

It is an arithmetic number, because the mean of its divisors is an integer number (115837058745).

Almost surely, 2^231674117489 is an apocalyptic number.

It is an amenable number.

231674117489 is a deficient number, since it is larger than the sum of its proper divisors (1).

231674117489 is an equidigital number, since it uses as much as digits as its factorization.

231674117489 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 2032128, while the sum is 53.

The spelling of 231674117489 in words is "two hundred thirty-one billion, six hundred seventy-four million, one hundred seventeen thousand, four hundred eighty-nine".