2627240989 has 2 divisors, whose sum is σ = 2627240990. Its totient is φ = 2627240988.

The previous prime is 2627240963. The next prime is 2627241059. The reversal of 2627240989 is 9890427262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1879656025 + 747584964 = 43355^2 + 27342^2 .

It is a cyclic number.

It is not a de Polignac number, because 2627240989 - 2²⁹ = 2090370077 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2627240909) 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, 1313620494 + 1313620495.

It is an arithmetic number, because the mean of its divisors is an integer number (1313620495).

Almost surely, 2^2627240989 is an apocalyptic number.

It is an amenable number.

2627240989 is a deficient number, since it is larger than the sum of its proper divisors (1).

2627240989 is an equidigital number, since it uses as much as digits as its factorization.

2627240989 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 870912, while the sum is 49.

The square root of 2627240989 is about 51256.6189774550. The cubic root of 2627240989 is about 1379.8545301048.

The spelling of 2627240989 in words is "two billion, six hundred twenty-seven million, two hundred forty thousand, nine hundred eighty-nine".