2625428149 has 2 divisors, whose sum is σ = 2625428150. Its totient is φ = 2625428148.

The previous prime is 2625428147. The next prime is 2625428171. The reversal of 2625428149 is 9418245262.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1415640625 + 1209787524 = 37625^2 + 34782^2 .

It is a cyclic number.

It is not a de Polignac number, because 2625428149 - 2¹ = 2625428147 is a prime.

Together with 2625428147, 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 (2625428147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1312714074 + 1312714075.

It is an arithmetic number, because the mean of its divisors is an integer number (1312714075).

Almost surely, 2^2625428149 is an apocalyptic number.

It is an amenable number.

2625428149 is a deficient number, since it is larger than the sum of its proper divisors (1).

2625428149 is an equidigital number, since it uses as much as digits as its factorization.

2625428149 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 276480, while the sum is 43.

The square root of 2625428149 is about 51238.9319658402. The cubic root of 2625428149 is about 1379.5370828834.

The spelling of 2625428149 in words is "two billion, six hundred twenty-five million, four hundred twenty-eight thousand, one hundred forty-nine".