180954413 has 2 divisors, whose sum is σ = 180954414. Its totient is φ = 180954412.

The previous prime is 180954407. The next prime is 180954437. The reversal of 180954413 is 314459081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171138724 + 9815689 = 13082^2 + 3133^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-180954413 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180954463) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90477206 + 90477207.

It is an arithmetic number, because the mean of its divisors is an integer number (90477207).

Almost surely, 2^180954413 is an apocalyptic number.

It is an amenable number.

180954413 is a deficient number, since it is larger than the sum of its proper divisors (1).

180954413 is an equidigital number, since it uses as much as digits as its factorization.

180954413 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 17280, while the sum is 35.

The square root of 180954413 is about 13451.9297128702. The cubic root of 180954413 is about 565.6177887546.

The spelling of 180954413 in words is "one hundred eighty million, nine hundred fifty-four thousand, four hundred thirteen".