627164149 has 2 divisors, whose sum is σ = 627164150. Its totient is φ = 627164148.

The previous prime is 627164147. The next prime is 627164183. The reversal of 627164149 is 941461726.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 604668100 + 22496049 = 24590^2 + 4743^2 .

It is a cyclic number.

It is not a de Polignac number, because 627164149 - 2¹ = 627164147 is a prime.

Together with 627164147, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (627164147) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 313582074 + 313582075.

It is an arithmetic number, because the mean of its divisors is an integer number (313582075).

Almost surely, 2^627164149 is an apocalyptic number.

It is an amenable number.

627164149 is a deficient number, since it is larger than the sum of its proper divisors (1).

627164149 is an equidigital number, since it uses as much as digits as its factorization.

627164149 is an evil number, because the sum of its binary digits is even.

The product of its digits is 72576, while the sum is 40.

The square root of 627164149 is about 25043.2455764024. The cubic root of 627164149 is about 855.9736745660.

The spelling of 627164149 in words is "six hundred twenty-seven million, one hundred sixty-four thousand, one hundred forty-nine".