180698941 has 2 divisors, whose sum is σ = 180698942. Its totient is φ = 180698940.

The previous prime is 180698929. The next prime is 180698957. The reversal of 180698941 is 149896081.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 171872100 + 8826841 = 13110^2 + 2971^2 .

It is a cyclic number.

It is not a de Polignac number, because 180698941 - 2⁵ = 180698909 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 180698891 and 180698900.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180698981) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90349470 + 90349471.

It is an arithmetic number, because the mean of its divisors is an integer number (90349471).

Almost surely, 2^180698941 is an apocalyptic number.

It is an amenable number.

180698941 is a deficient number, since it is larger than the sum of its proper divisors (1).

180698941 is an equidigital number, since it uses as much as digits as its factorization.

180698941 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 124416, while the sum is 46.

The square root of 180698941 is about 13442.4306209852. The cubic root of 180698941 is about 565.3514830769.

The spelling of 180698941 in words is "one hundred eighty million, six hundred ninety-eight thousand, nine hundred forty-one".