180713669 has 2 divisors, whose sum is σ = 180713670. Its totient is φ = 180713668.

The previous prime is 180713647. The next prime is 180713671. The reversal of 180713669 is 966317081.

180713669 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 146724769 + 33988900 = 12113^2 + 5830^2 .

It is a cyclic number.

It is not a de Polignac number, because 180713669 - 2¹⁶ = 180648133 is a prime.

It is a super-2 number, since 2×180713669² = 65314860326883122, which contains 22 as substring.

Together with 180713671, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (180713639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 90356834 + 90356835.

It is an arithmetic number, because the mean of its divisors is an integer number (90356835).

Almost surely, 2^180713669 is an apocalyptic number.

It is an amenable number.

180713669 is a deficient number, since it is larger than the sum of its proper divisors (1).

180713669 is an equidigital number, since it uses as much as digits as its factorization.

180713669 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 54432, while the sum is 41.

The square root of 180713669 is about 13442.9784274170. The cubic root of 180713669 is about 565.3668424557.

The spelling of 180713669 in words is "one hundred eighty million, seven hundred thirteen thousand, six hundred sixty-nine".